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      <image:title>(2R,3S)-5-(oxiran-2-ylmethoxy)-1,2,3,4-tetrahydronaphthalene-2,3-diol</image:title>
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      <image:title>LoxoprofenÊrelatedÊcompoundÊ1</image:title>
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      <image:title>Acalabrutinib D4</image:title>
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      <image:title>MK 1775</image:title>
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    <changefreq>daily</changefreq>
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    <changefreq>daily</changefreq>
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    <changefreq>daily</changefreq>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1074549-89-5.png?v=1730389572</image:loc>
      <image:title>Apixaban dehydro impurity</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1076198-62-3.png?v=1730389577</image:loc>
      <image:title>2-[[[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridyl]methyl]thio]-5-(tert-butyldimethylsilyloxy)-1H-benzimidazole</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
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    <loc>https://www.achemtek.com/products/ard195735</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/108102-51-8.png?v=1730389582</image:loc>
      <image:title>Fumagillol</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1083076-69-0.png?v=1730389589</image:loc>
      <image:title>Cariprazine hydrochloride</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/ard195737</loc>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/110025-28-0.png?v=1730389594</image:loc>
      <image:title>4-[1-[4-[2-(Methylamino)ethoxy]phenyl]-2-phenyl-but-1-enyl]phenol</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1118765-14-2.png?v=1730389600</image:loc>
      <image:title>O-DesmethylApixabanSulphateNa</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/ard195739</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/111974-73-3.png?v=1730389605</image:loc>
      <image:title>Phenyl[2-phenylthio)phenyl]carbamate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/ard195740</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1122549-47-6.png?v=1730389611</image:loc>
      <image:title>3-(ChloroMethyl)-N-(5-chloro-2-pyridinyl)-2-pyrazinecarboxaMide</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/ard195742</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/ard195744</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
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    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1386861-46-6.png?v=1730389619</image:loc>
      <image:title>2-Chloro-6-methyl-N-phenylbenzamide</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/ard196872</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/ard196877</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/ard196880</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1420478-89-2.png?v=1730389627</image:loc>
      <image:title>(S)-2-{8-Amino-1-[4-(pyridin-2-ylcarbamoyl)phenyl]-imidazo[1,5-a]pyrazin-3-yl}-pyrrolidine-1-carboxylic acid benzyl ester</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/ard196887</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1420478-90-5.png?v=1730389632</image:loc>
      <image:title>Acalabrutinib intermediate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/ard181760d3</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/ard181759d3</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/ard001670d4</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/350820-19-8.png?v=1730389640</image:loc>
      <image:title>1-Bromo-4-nitrobenzene-d4</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/ard10758a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/364782-34-3.png?v=1730389646</image:loc>
      <image:title>Cinacalcet hydrochloride</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/ard196882</loc>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/37519-14-5.png?v=1730389650</image:loc>
      <image:title>3-Hydroxyacetaminophen</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/ard196883</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/397864-44-7.png?v=1730389656</image:loc>
      <image:title>Fluticasone furoate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/4258-85-9.png?v=1730389661</image:loc>
      <image:title>Clocortolone acetate</image:title>
      <image:caption></image:caption>
    </image:image>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/4513-94-4.png?v=1730389666</image:loc>
      <image:title>Pyrrole-2-carbonitrile</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
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    <loc>https://www.achemtek.com/products/ard196886</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/4571-51-1.png?v=1730389672</image:loc>
      <image:title>Flumethasone impurity</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/ard180331d4</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
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    <changefreq>daily</changefreq>
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    <loc>https://www.achemtek.com/products/ard196685</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/59382-59-1.png?v=1730389679</image:loc>
      <image:title>Methyl 2-methyl-3-nitrobenzoate</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/594839-88-0.png?v=1730389684</image:loc>
      <image:title>2-(3,5-Dichlorophenyl)-6-benzoxazole carboxylic acid</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/60091-87-4.png?v=1730389689</image:loc>
      <image:title>2-(4-Chloro-2-nitroanilino)benzoic acid</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
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  </url>
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    <changefreq>daily</changefreq>
  </url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/63434-11-7.png?v=1730389697</image:loc>
      <image:title>Verapamil EP impurity A dihydrochloride</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
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    <changefreq>daily</changefreq>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST2067_107-73-3.png?v=1721417172</image:loc>
      <image:title>Phosphorylcholine</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/ACT_Mix_Standards_f302e1e7-ad0e-4502-8cf3-be8a54447aff.png?v=1750343697</image:loc>
      <image:title>7 Pigment Mix Solution in Water, 1000μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/ACT_Mix_Standards_f302e1e7-ad0e-4502-8cf3-be8a54447aff.png?v=1750343697</image:loc>
      <image:title>9 Pigment Mix Solution in Water, 1000μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/ACT_Mix_Standards_f302e1e7-ad0e-4502-8cf3-be8a54447aff.png?v=1750343697</image:loc>
      <image:title>7 Pigment Mix Solution in Water, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/ACT_Mix_Standards_f302e1e7-ad0e-4502-8cf3-be8a54447aff.png?v=1750343697</image:loc>
      <image:title>9 Pigment Mix Solution in Water, 1000μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST2466_6358-53-8.png?v=1738073971</image:loc>
      <image:title>Citrus red 2 Solution in Methanol, 1000μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
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    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST2420_1934-21-0.png?v=1738073974</image:loc>
      <image:title>Tartrazine Solution in Water, 1000μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
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      <image:title>Fast green FCF Solution in Water, 100μg/mL</image:title>
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      <image:title>Erythrosin Solution in Water, 1000μg/mL</image:title>
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      <image:title>Procyanidin B3 Solution in Methanol, 1000μg/mL</image:title>
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      <image:title>N-Nitrosodimethylamine-d6 Solution in Methanol, 1000μg/mL</image:title>
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      <image:title>N-Nitrosodicyclonexylamine Solution in Methanol, 1000μg/mL</image:title>
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      <image:title>N-Nitroso-N-methylaniline Solution in Methanol, 1000μg/mL</image:title>
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      <image:title>N-nitrosodibenzylamine Solution in Methanol, 1000μg/mL</image:title>
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      <image:title>N-Nitrosodimethylamine Solution in Methanol, 100μg/mL</image:title>
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      <image:title>N-Nitroso-N-ethylaniline Solution in Methanol, 1000μg/mL</image:title>
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  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST4918_59-89-2.png?v=1738074025</image:loc>
      <image:title>N-Nitrosomorpholine Solution in Methanol, 1000μg/mL</image:title>
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      <image:title>N-Nitroso-diethanolamine Solution in Methanol, 1000μg/mL</image:title>
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  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST4913_924-16-3.png?v=1738074030</image:loc>
      <image:title>N-Nitroso-di-n-butylamine Solution in Methanol, 1000μg/mL</image:title>
      <image:caption></image:caption>
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  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST4911_621-64-7.png?v=1738074033</image:loc>
      <image:title>N-Nitroso-di-n-propylamine Solution in Methanol, 1000μg/mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://www.achemtek.com/products/msk4910-1000m</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST4910_10595-95-6.png?v=1738074036</image:loc>
      <image:title>N-Nitroso-methyl ethylamine Solution in Methanol, 1000μg/mL</image:title>
      <image:caption></image:caption>
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  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST4909_55-18-5.png?v=1738074039</image:loc>
      <image:title>N-Nitroso-diethylamine Solution in Methanol, 1000μg/mL</image:title>
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  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST4908_930-55-2.png?v=1738074047</image:loc>
      <image:title>N-Nitrosopyrrolidine Solution in Methanol, 1000μg/mL</image:title>
      <image:caption></image:caption>
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  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST000751_997-95-5.png?v=1738074050</image:loc>
      <image:title>N-Nitrosodiisobutylamine Solution in Methanol, 1000μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://www.achemtek.com/products/msk9513</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST9513_1763-23-1_bf7f2172-27fc-43bc-ba9c-48082b80dd0b.png?v=1738074063</image:loc>
      <image:title>Perfluorooctanesulfonic acid (including branched chain)</image:title>
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  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk178675-100y</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST178675_590386-14-4-Free-base_cd254583-ae38-455e-9d58-23d742309d98.png?v=1738074066</image:loc>
      <image:title>Hexacosanoyl-L-carnitine chloride Solution in Ethanol, 100μg/mL</image:title>
      <image:caption></image:caption>
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    <loc>https://www.achemtek.com/products/msk162448-50a</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST162448-157232-64-9_e16102b9-5160-4de7-8888-21d009bb640b.png?v=1738074068</image:loc>
      <image:title>Cereulide Solution in Acetonitrile, 50μg/mL</image:title>
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    <loc>https://www.achemtek.com/products/msk188665-10m</loc>
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    <changefreq>daily</changefreq>
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      <image:title>Viticolin A Solution in Methanol, 10μg/mL</image:title>
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  <url>
    <loc>https://www.achemtek.com/products/msk1635d10-100a</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST1635D10_1477495-19-4_a0d61aa1-c155-49d0-8901-96a31c028311.png?v=1738074074</image:loc>
      <image:title>Bis(1,3-dichloro-2-propyl) phosphate-d10 Solution in Acetonitrile, 100μg/mL</image:title>
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  <url>
    <loc>https://www.achemtek.com/products/msk189390</loc>
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      <image:title>Halosulfuron</image:title>
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  <url>
    <loc>https://www.achemtek.com/products/msk15126d10na</loc>
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      <image:title>Diethylphosphorodithioate-d10 sodium salt</image:title>
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  <url>
    <loc>https://www.achemtek.com/products/msk14921d10na</loc>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST14921D10Na-1435974-03-0-Free-acid_9497944f-f151-4ce3-86e1-a4953df82027.png?v=1738074082</image:loc>
      <image:title>O,O-Diethyl phosphorothioate-d10 sodium salt</image:title>
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  <url>
    <loc>https://www.achemtek.com/products/msk158255d6na</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST158255D6Na-2470130-46-0-Free-acid_4ef23b1d-f5e7-4839-9330-a0cbdbb62e46.png?v=1738074084</image:loc>
      <image:title>Dimethyl dithiophosphate-d6 sodium salt</image:title>
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  <url>
    <loc>https://www.achemtek.com/products/msk001616d4a</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST001616D4A-340257-60-5_3141bfee-9471-4566-8ec4-3e8afda3bd54.png?v=1738074087</image:loc>
      <image:title>Tryptamine-d4 hydrochloride</image:title>
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  <url>
    <loc>https://www.achemtek.com/products/msk176531</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST176531-54135-66-9_301e7fc3-73bd-4164-8da1-799187914334.png?v=1738074089</image:loc>
      <image:title>C22:1 Ceramide</image:title>
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      <image:title>D-Sphingosine</image:title>
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    <loc>https://www.achemtek.com/products/msk6198</loc>
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      <image:title>3,3&apos;,4,4&apos;-Tetrabromodiphenylether</image:title>
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      <image:title>3&apos;,3&apos;&apos;-Dimethoxy phenolphthalein</image:title>
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      <image:title>(4-tert-Butylphenyl)diphenyl phosphorothioate</image:title>
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      <image:title>(1H,1H,2H,2H-Perfluorooctyl)triethoxysilane Solution in Hexane, 100μg/mL</image:title>
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      <image:title>2,4-D Solution in Acetone, 100μg/mL</image:title>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST7301D5_1258668-21-1.png?v=1738074121</image:loc>
      <image:title>Malachite green-d5 picrate Solution in Acetonitrile, 1000μg/mL</image:title>
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      <image:title>Ethopabate Solution in Methanol, 100μg/mL</image:title>
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      <image:title>Ethopabate Solution in Methanol, 1000μg/mL</image:title>
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      <image:title>Kynurenic acid-d5 Solution in Water, 100μg/mL</image:title>
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  <url>
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  <url>
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      <image:title>Bispyribac-sodium Solution in Methanol, 1000μg/mL</image:title>
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      <image:title>Bispyribac-sodium Solution in Methanol, 100μg/mL</image:title>
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  <url>
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  <url>
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  <url>
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  <url>
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      <image:title>Perfluorooctanoic acid Solution in Acetonitrile, 1000μg/mL</image:title>
      <image:caption></image:caption>
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  <url>
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      <image:title>Perfluorohexanoic acid Solution in Acetonitrile, 1000μg/mL</image:title>
      <image:caption></image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST9514_375-22-4.png?v=1738074167</image:loc>
      <image:title>Heptafluorobutyric acid Solution in Acetonitrile, 1000μg/mL</image:title>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST160536_112-72-1.png?v=1738074170</image:loc>
      <image:title>Tetradecyl alcohol Solution in Methanol, 100μg/mL</image:title>
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  <url>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST21185_107534-96-3.png?v=1738074173</image:loc>
      <image:title>Tebuconazole Solution in Methanol, 100μg/mL</image:title>
      <image:caption></image:caption>
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  <url>
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      <image:title>Tenuazonic acid-d13 Solution in Acetonitrile, 10μg/mL</image:title>
      <image:caption></image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST7257D3_2468774-90-3.png?v=1738074182</image:loc>
      <image:title>Alternariol monomethyl ether-d3 Solution in Acetonitrile, 10μg/mL</image:title>
      <image:caption></image:caption>
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      <image:title>Alternariol-d2 Solution in Acetonitrile, 10μg/mL</image:title>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/ACT_Mix_Standards_f302e1e7-ad0e-4502-8cf3-be8a54447aff.png?v=1750343697</image:loc>
      <image:title>37 PFAS Mix Solution in Methanol, 50μg/mL</image:title>
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      <image:title>25 PFCAs Mix Solution in Acetonitrile, 100μg/mL</image:title>
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      <image:title>9 Stable Isotope Labeled PFAS Mix Solution in Methanol, 2μg/mL</image:title>
      <image:caption></image:caption>
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      <image:title>16 Fragrance and PCBs Mix Solution in Hexane, 10μg/mL</image:title>
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      <image:title>Stable Isotope Labeled 4 PAHs and PCBs Mix Solution in Hexane</image:title>
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      <image:title>8 Stable Isotope Labeled PBDEs Mix Solution in Nonane, 5μg/mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://www.achemtek.com/products/msk183488</loc>
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  <url>
    <loc>https://www.achemtek.com/products/msk14855</loc>
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      <image:title>2,2&apos;,3,3&apos;,4,4&apos;,5,6,6&apos;-Nonabromodiphenylether Solution in Isooctane, 5μg/mL</image:title>
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    <changefreq>daily</changefreq>
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    <loc>https://www.achemtek.com/products/msk6110-50i</loc>
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    <changefreq>daily</changefreq>
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    <loc>https://www.achemtek.com/products/msk9543</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST9543_2355-31-9_e313240f-96bc-43a8-a4de-ef7b065cbeb7.png?v=1738074220</image:loc>
      <image:title>N-Methylperfluorooctanesulfonamidoacetic acid (including branched chain)</image:title>
      <image:caption></image:caption>
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  <url>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST9541_39108-34-4.png?v=1738074223</image:loc>
      <image:title>1H,1H,2H,2H-Perfluorodecanesulfonic acid Solution in Methanol, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://www.achemtek.com/products/msk9533-100m</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST9533_335-77-3_e749514a-2ef0-4b9f-b5bb-8e5f50f465e1.png?v=1744403427</image:loc>
      <image:title>Perfluorodecanesulfonic acid Solution in Methanol, 100μg/mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://www.achemtek.com/products/msk9529-100m</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST9529_27619-97-2_bd99561f-ee74-46e4-9897-0095892ef20f.png?v=1738074229</image:loc>
      <image:title>1H,1H,2H,2H-Perfluorooctanesulfonic acid Solution in Methanol, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://www.achemtek.com/products/msk9521-100m</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST9521_754-91-6.png?v=1738074231</image:loc>
      <image:title>Perfluorooctanesulfonamide (including branched chain) Solution in Methanol, 100μg/mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://www.achemtek.com/products/msk9518-100m</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST9518_375-92-8_dbedd9f1-928f-4b70-9654-1131e65c578e.png?v=1744403413</image:loc>
      <image:title>Perfluoroheptanesulfonic acid (including branched chain) Solution in Methanol, 100μg/mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://www.achemtek.com/products/msk9517na-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST9517Na_82382-12-5.png?v=1738074246</image:loc>
      <image:title>Sodium Perfluorohexanesulfonate Solution in Acetonitrile, 100μg/mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://www.achemtek.com/products/msk9515-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST9515_2706-90-3_4a587bbd-4aae-4f8e-a86c-ae51f23a0d1f.png?v=1744403539</image:loc>
      <image:title>Perfluorovaleric acid Solution in Acetonitrile, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://www.achemtek.com/products/msk9514-100t</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST9514_375-22-4_cc098d1e-b383-4e42-a461-9393d05214cb.png?v=1738074251</image:loc>
      <image:title>Heptafluorobutyric acid Solution in Toluene, 100μg/mL</image:title>
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      <image:title>Perfluorobutanesulfonic acid potassium salt Solution in Methanol, 100μg/mL</image:title>
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      <image:title>Perfluoroundecanoic acid Solution in Acetonitrile, 100μg/mL</image:title>
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      <image:title>Perfluoroheptanoic acid Solution in Acetonitrile, 100μg/mL</image:title>
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      <image:title>Perfluorohexanoic acid Solution in Acetonitrile, 100μg/mL</image:title>
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      <image:title>N-Ethylperfluorooctanesulfonamidoethanol (including branched chain)</image:title>
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      <image:title>N-(Perfluoro-1-octanesulfonyl)glycine Solution in Acetonitrile, 100μg/mL</image:title>
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      <image:title>Perfluoro(2-ethoxyethane)sulfonic acid Solution in Methanol, 100μg/mL</image:title>
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      <image:title>Perfluoro-3,6-dioxaheptanoic acid Solution in Acetonitrile, 100μg/mL</image:title>
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      <image:title>Potassium perfluoroheptanesulfonate Solution in Methanol, 100μg/mL</image:title>
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      <image:title>Mono[1H,1H,2H,2H-perfluorooctane] phosphate Solution in Acetonitrile, 100μg/mL</image:title>
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      <image:title>N-Decyl-N,N-dimethyl-1-decanaminium perfluorooctanesulfonate Solution in Acetonitrile, 100μg/mL</image:title>
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      <image:title>9-Chloro-3-oxa-perfluorononanesulfonic acid potassium salt Solution in Methanol, 10μg/mL</image:title>
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      <image:title>4,8-Dioxa-3H-perfluorononanoic acid Solution in Ethanol, 100μg/mL</image:title>
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      <image:title>4,8-Dioxa-3H-perfluorononanoic acid Solution in Methanol, 1000μg/mL</image:title>
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      <image:title>2H,2H,3H,3H-Perfluorodecanoic acid (including branched chain) Solution in Methanol, 1000μg/mL</image:title>
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      <image:title>2H,2H,3H,3H-Perfluorodecanoic acid (including branched chain) Solution in Acetonitrile, 100μg/mL</image:title>
      <image:caption></image:caption>
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      <image:title>2H,2H,3H,3H-Perfluorooctanoic acid Solution in Methanol, 1000μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
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      <image:title>2H,2H,3H,3H-Perfluorohexanoic acid Solution in Acetonitrile, 100μg/mL</image:title>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/201ST14774Na_98789-57-2.png?v=1738074302</image:loc>
      <image:title>Perfluorononanesulfonic acid sodium salt Solution in Methanol, 50μg/mL</image:title>
      <image:caption></image:caption>
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      <image:title>1H,1H,2H,2H-Perfluoro-7-methyloctan-1-ol Solution in Methanol, 50μg/mL</image:title>
      <image:caption></image:caption>
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      <image:title>2,2&apos;,3,3&apos;,4,4&apos;,5,5&apos;-Octachlorobiphenyl Solution in Isooctane, 100μg/mL</image:title>
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      <image:title>2,2&apos;,3,3&apos;,4,4&apos;,5,5&apos;-Octachlorobiphenyl Solution in Dichloromethane, 100μg/mL</image:title>
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      <image:title>2,2&apos;,3,3&apos;,4,4&apos;,5,5&apos;-Octachlorobiphenyl Solution in Hexane, 100μg/mL</image:title>
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      <image:title>2,2&apos;,3,4,4&apos;,5&apos;,6-Heptachlorobiphenyl Solution in Hexane, 100μg/mL</image:title>
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    <changefreq>daily</changefreq>
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      <image:title>2,2&apos;,3,3&apos;,4,4&apos;,5-Heptachlorobiphenyl Solution in Hexane, 100μg/mL</image:title>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST3768_32774-16-6.png?v=1738074320</image:loc>
      <image:title>3,3&apos;,4,4&apos;,5,5&apos;-Hexachlorobiphenyl Solution in Isooctane, 100μg/mL</image:title>
      <image:caption></image:caption>
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      <image:title>2,3&apos;,4,4&apos;,5,5&apos;-Hexachlorobiphenyl Solution in Hexane, 100μg/mL</image:title>
      <image:caption></image:caption>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST3755D3_1219798-44-3.png?v=1738074326</image:loc>
      <image:title>2,3,3&apos;,4,4&apos;,5-Hexachlorobiphenyl-d3 Solution in Dichloromethane, 100μg/mL</image:title>
      <image:caption></image:caption>
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      <image:title>2,2&apos;,3,4&apos;,5&apos;,6-Hexachlorobiphenyl Solution in Hexane, 100μg/mL</image:title>
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      <image:title>2,2&apos;,3,4,5,5&apos;-Hexachlorobiphenyl Solution in Hexane, 100μg/mL</image:title>
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      <image:title>3,3&apos;,4,4&apos;,5-Pentachlorobiphenyl Solution in Toluene, 1000μg/mL</image:title>
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      <image:title>2,3&apos;,4,5&apos;,6-Pentachlorobiphenyl Solution in Hexane, 10μg/mL</image:title>
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      <image:title>2,3,3&apos;,5,6-Pentachlorobiphenyl Solution in Hexane, 100μg/mL</image:title>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST3704_32598-14-4.png?v=1738074352</image:loc>
      <image:title>2,3,3&apos;,4,4&apos;-Pentachlorobiphenyl Solution in Hexane, 1000μg/mL</image:title>
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      <image:title>2,2&apos;,4,6,6&apos;-Pentachlorobiphenyl Solution in Hexane, 100μg/mL</image:title>
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      <image:title>2,2&apos;,3&apos;,4,5-Pentachlorobiphenyl Solution in Hexane, 100μg/mL</image:title>
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    <loc>https://www.achemtek.com/products/msk3649-100i</loc>
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      <image:title>2,2&apos;,4,6-Tetrachlorobiphenyl Solution in Isooctane, 100μg/mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://www.achemtek.com/products/msk3643-100t</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST3643_41464-39-5.png?v=1738074363</image:loc>
      <image:title>2,2&apos;,3,5&apos;-Tetrachlorobiphenyl Solution in Toluene, 100μg/mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://www.achemtek.com/products/msk3629-100t</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST3629_15862-07-4.png?v=1738074366</image:loc>
      <image:title>2,4,5-Trichlorobiphenyl Solution in Toluene, 100μg/mL</image:title>
      <image:caption></image:caption>
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  <url>
    <loc>https://www.achemtek.com/products/msk3619-100h</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST3619-38444-73-4_0be3f769-b332-4a7e-b241-7233a43b16f2.png?v=1738074369</image:loc>
      <image:title>2,2&apos;,6-Trichlorobiphenyl Solution in Hexane, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk3618-100t</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST3618_37680-65-2.png?v=1738074372</image:loc>
      <image:title>2,2&apos;,5-Trichlorobiphenyl Solution in Toluene, 100μg/mL</image:title>
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    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk6348-50t</loc>
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    <changefreq>daily</changefreq>
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      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST6348_63387-28-0_4c14db2e-3f8d-41da-9342-8e0e6e9d704a.png?v=1738074374</image:loc>
      <image:title>2,2&apos;,3,3&apos;,4,4&apos;,5,5&apos;,6-Nonabromodiphenylether Solution in Toluene, 50μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk6271-50t</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST6271_182677-30-1.png?v=1738074377</image:loc>
      <image:title>2,2&apos;,3,4,4&apos;,5&apos;-Hexabromodiphenylether Solution in Toluene, 50μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk6223-100h</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST6223_60348-60-9.png?v=1738074380</image:loc>
      <image:title>2,2&apos;,4,4&apos;,5-Pentabromodiphenylether Solution in Hexane, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk50985-5aw</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/ACT_Mix_Standards_f302e1e7-ad0e-4502-8cf3-be8a54447aff.png?v=1750343697</image:loc>
      <image:title>Stable Isotope Labeled Fumonisin B1,B2&amp;B3 Mix Solution in Acetonitrile/Water, 5μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk50144-0-5a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/ACT_Mix_Standards_f302e1e7-ad0e-4502-8cf3-be8a54447aff.png?v=1750343697</image:loc>
      <image:title>4 Stable Isotope Labeled Toxin Mix Solution in Acetonitrile, 0.5μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk15242-1000m</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST15242_683-72-7.png?v=1738074395</image:loc>
      <image:title>2,2-Dichloroacetamide Solution in Methanol, 1000ug/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk7001d4-100m</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST7001D4_56-75-7-Unlabeled.png?v=1738074400</image:loc>
      <image:title>Chloramphenicol-d4  in Methanol, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk167181na2</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk160180na</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk5893-1000w</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST5893_3087-16-9.png?v=1738074405</image:loc>
      <image:title>Acid green 50 Solution in Water, 1000μg/mL</image:title>
      <image:caption></image:caption>
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  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk22682-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk20398-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk22236-100m</loc>
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    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk20223-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk20094-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk20264-1000b</loc>
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    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk22642-1000aw</loc>
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    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST22642_281664-76-4.png?v=1738074433</image:loc>
      <image:title>Profoxydim lithium salt Solution in Acetonitrile/Water, 1000μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://www.achemtek.com/products/msk21206-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk22204-100m</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk22601</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk22363-100m</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk22147-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk22402-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk22285-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
    <loc>https://www.achemtek.com/products/msk22540-100a</loc>
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    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk22624-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk22302-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk22851-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk21231-100m</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
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  <url>
    <loc>https://www.achemtek.com/products/msk22074-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST22074_69806-34-4.png?v=1738074470</image:loc>
      <image:title>Haloxyfop Solution in Acetonitrile, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
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  <url>
    <loc>https://www.achemtek.com/products/msk21081-100m</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk20314-100m</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk20363-100m</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk22588-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk20353-100m</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST20353_78587-05-0.png?v=1738074482</image:loc>
      <image:title>Hexythiazox Solution in Methanol, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk000820-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk22898-100w</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk22467-100w</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk7236c2-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST7236C2_1486471-66-2.png?v=1738074493</image:loc>
      <image:title>Tenuazonic acid-13C2 (mixture of diastereomers) Solution in Acetonitrile, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk3793-100h</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST3793_52663-78-2_1f637210-8eaf-4581-8894-d853436d6fc4.png?v=1738074495</image:loc>
      <image:title>2,2&apos;,3,3&apos;,4,4&apos;,5,6-Octachlorobiphenyl Solution in Hexane, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk185562</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST20548_115086-54-9_17e9824c-4f3a-4ec3-906a-c22f7934bc87.png?v=1738074498</image:loc>
      <image:title>Imidaclothiz-olefin</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk9510-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST9510_376-06-7.png?v=1744403525</image:loc>
      <image:title>Perfluorotetradecanoic acid Solution in Acetonitrile, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk1507ad3-100m-vitamin-b6-d3-hydrochloride</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST1507AD3_1189921-12-7_20e8208b-c875-425c-8243-7fe2f8c27fad.png?v=1738074503</image:loc>
      <image:title>Vitamin B6-d3 hydrochloride Solution in Methanol, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk168337-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST168337_2245711-19-5_d7d04051-f72e-450f-865e-a5c2c4cfee1a.png?v=1738074506</image:loc>
      <image:title>Myristoyl-L-carnitine-d9 chloride Solution in Acetonitrile, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk162793d9-100aw</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST168782D9_102636-82-8-Unlabelled-inner-salt_acbaa957-a166-48b1-a204-e198e63fbc20.png?v=1738074519</image:loc>
      <image:title>Glutarylcarnitine-d9 Solution in Acetonitrile/Water, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk000777nd3-100a</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST000777ND3_1246817-81-1_1289207c-64bb-42f2-a6f7-960a357c0063.png?v=1738074522</image:loc>
      <image:title>2-Pyrazinecarboxamide-15N,d3 Solution in Acetonitrile, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk6329-50t</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST6329_189084-68-2_a367195f-66b5-41da-ad02-6c4756c23c05.png?v=1738074525</image:loc>
      <image:title>2,3,3&apos;,4,4&apos;,5,6-Heptabromodiphenylether Solution in Toluene, 50μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk15642nd2-100aw</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST15642ND2_1795037-48-7_3e01245b-7750-4ad3-8405-1d64e588f5f1.png?v=1738074528</image:loc>
      <image:title>Rufinamide-15N,d2 Solution in Acetonitrile/Water, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk3636-100h</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
    <changefreq>daily</changefreq>
    <image:image>
      <image:loc>https://cdn.shopify.com/s/files/1/0703/8972/7547/files/1ST3636_38444-90-5_a05eb545-1301-4031-837b-47186064bdf7.png?v=1738074531</image:loc>
      <image:title>3,4,4&apos;-Trichlorobiphenyl Solution in Hexane, 100μg/mL</image:title>
      <image:caption></image:caption>
    </image:image>
  </url>
  <url>
    <loc>https://www.achemtek.com/products/msk157193-50t</loc>
    <lastmod>2026-07-21T13:54:53-04:00</lastmod>
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      <image:title>(E)-Diniconazole Solution in Acetonitrile, 1000μg/mL</image:title>
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      <image:title>Penconazole Solution in Methanol, 1000μg/mL</image:title>
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      <image:title>Quinoxyfen Solution in Acetonitrile, 100μg/mL</image:title>
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      <image:title>Gibberellic acid Solution in Acetonitrile, 1000μg/mL</image:title>
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      <image:title>Chloroneb Solution in Acetonitrile, 1000μg/mL</image:title>
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      <image:title>Tecnazene Solution in Hexane, 100μg/mL</image:title>
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      <image:title>Biphenyl Solution in Methanol, 100μg/mL</image:title>
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      <image:title>Eugenol Solution in Methanol, 1000μg/mL</image:title>
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      <image:title>Diaveridine Solution in Acetonitrile/Methanol, 1000μg/mL</image:title>
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      <image:title>Spinetoram J Solution in Methanol, 100μg/mL</image:title>
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      <image:title>Glycidyl palmitate Solution in Toluene, 1000μg/mL</image:title>
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      <image:title>Imidacloprid-olefin Solution in Methanol, 100μg/mL</image:title>
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      <image:title>Allethrin Solution in Acetone, 100μg/mL</image:title>
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      <image:title>Praziquantel Solution in Acetonitrile, 100μg/mL</image:title>
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      <image:title>Nereistoxin oxalate Solution in Methanol/Water, 1000μg/mL</image:title>
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      <image:title>Methyl pentachlorophenyl sulfide Solution in Hexane, 100μg/mL</image:title>
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      <image:title>DEET Solution in Acetone, 100μg/mL</image:title>
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      <image:title>Spinosad Solution in Methanol, 100μg/mL</image:title>
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      <image:title>Thiosultap disodium Solution in Water, 1000μg/mL</image:title>
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      <image:title>Closantel Solution in Methanol, 100μg/mL</image:title>
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      <image:title>Flubendiamide Solution in Acetonitrile, 1000μg/mL</image:title>
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      <image:title>Diflubenzuron Solution in Acetone, 1000μg/mL</image:title>
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      <image:title>Hexaflumuron Solution in Acetonitrile, 1000μg/mL</image:title>
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      <image:title>Teflubenzuron Solution in Acetonitrile, 1000μg/mL</image:title>
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      <image:title>Endrin aldehyde Solution in Hexane, 1000μg/mL</image:title>
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      <image:title>Imidacloprid-d4 Solution in Methanol, 100μg/mL</image:title>
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