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FirstStandard® Reference Materials

First Standard® is our trademark of high quality reference materials. We offer a comprehensive inventory of neat analytes, single component solutions, multi-component solutions, and stable isotope labeled compounds in a variety of fields to suite all your testing needs.

FirstStandard® Reference Materials

  • Catalog No: 1ST5583

    Triclabendazole sulfoxide

    CAS Number: 100648-13-3

    $150.00 - $150.00
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    CAS Number: 100648-13-3Synonym: Triclabendazole sulfoxideFormula: C14H9Cl3N2O2SMolecular Weight: 375.66Purity: 98+%Form: SolidColor: WhiteStorage C...

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  • Catalog No: 1ST1314A

    Brombuterol hydrochloride

    CAS Number: 21912-49-2

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    CAS Number: 21912-49-2Synonym: Brombuterol hydrochlorideFormula: C12H18Br2N2O · HClMolecular Weight: 402.55Purity: 98+%Form: SolidColor: WhiteStora...

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  • Catalog No: 1ST24002

    Trinexapac

    CAS Number: 143294-89-7

    $85.00 - $85.00
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    CAS Number: 143294-89-7Synonym: TrinexapacFormula: C11H12O5Molecular Weight: 224.21Purity: 98+%Form: SolidColor: WhiteStorage Condition: RTTranspor...

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  • Catalog No: 1ST20258

    Desmethyl-formamido-pirimicarb

    CAS Number: 27218-04-8

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    CAS Number: 27218-04-8Synonym: Desmethyl-formamido-pirimicarbFormula: C11H16N4O3Molecular Weight: 252.27Purity: 98+%Form: SolidColor: WhiteStorage ...

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  • Catalog No: 1ST1317

    Brombuterol

    CAS Number: 41937-02-4

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    CAS Number: 41937-02-4Synonym: BrombuterolFormula: C12H18Br2N2OMolecular Weight: 366.09Purity: 98+%Form: SolidColor: WhiteStorage Condition: 2-8°CT...

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  • Catalog No: 1ST21094

    Famoxadone

    CAS Number: 131807-57-3

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    CAS Number: 131807-57-3Synonym: FamoxadoneFormula: C22H18N2O4Molecular Weight: 374.39Purity: 98+%Form: SolidColor: WhiteStorage Condition: 2-8°CTra...

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  • Catalog No: 1ST20439

    Oxydemeton-methyl

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    CAS Number: 301-12-2Synonym: Oxydemeton-methylFormula: C6H15O4PS2Molecular Weight: 246.28Purity: 98+%Form: Oily liquidColor: Light yellowStorage Co...

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  • Catalog No: 1ST000820

    Fluxapyroxad

    CAS Number: 907204-31-3

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    CAS Number: 907204-31-3Synonym: FluxapyroxadFormula: C18H12F5N3OMolecular Weight: 381.29Purity: 98+%Form: SolidColor: WhiteStorage Condition: RTTra...

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  • Catalog No: 1ST20639

    Fensulfothion-oxon

    CAS Number: 6552-21-2

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    CAS Number: 6552-21-2Synonym: Fensulfothion-oxonFormula: C11H17O5PSMolecular Weight: 292.29Purity: 98+%Form: Oily liquidColor: Light yellowStorage ...

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  • Catalog No: 1ST20640

    Fensulfothion-oxon-sulfone

    CAS Number: 6132-17-8

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    CAS Number: 6132-17-8Synonym: Fensulfothion-oxon-sulfoneFormula: C11H17O6PSMolecular Weight: 308.29Purity: 98+%Form: SolidColor: WhiteStorage Condi...

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  • Catalog No: 1ST22082

    Diclofop (free acid)

    CAS Number: 40843-25-2

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    CAS Number: 40843-25-2Synonym: Diclofop (free acid)Formula: C15H12Cl2O4Molecular Weight: 327.16Purity: 98+%Form: SolidColor: WhiteStorage Condition...

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  • Catalog No: 1ST20641

    Fensulfothion-sulfone

    CAS Number: 14255-72-2

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    CAS Number: 14255-72-2Synonym: Fensulfothion-sulfoneFormula: C11H17O5PS2Molecular Weight: 324.35Purity: 98+%Form: PowderColor: White to Off-whiteSt...

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  • Catalog No: 1ST20498

    Spirotetramat metabolite BYI08330-cis-enol

    CAS Number: 203312-38-3

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    CAS Number: 203312-38-3Synonym: Spirotetramat metabolite BYI08330-cis-enolFormula: C18H23NO3Molecular Weight: 301.38Purity: 98+%Form: SolidColor: W...

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  • Catalog No: 1ST20387

    3,4,5-Trimethacarb

    CAS Number: 2686-99-9

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    CAS Number: 2686-99-9Synonym: 3,4,5-TrimethacarbFormula: C11H15NO2Molecular Weight: 193.24Purity: 98+%Form: Crystalline SolidColor: WhiteStorage Co...

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  • Catalog No: 1ST22048

    MCPA-ethyl ester

    CAS Number: 2698-38-6

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    CAS Number: 2698-38-6Synonym: MCPA-ethyl esterFormula: C11H13ClO3Molecular Weight: 228.67Purity: 98+%Form: Oily liquidColor: ColorlessStorage Condi...

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  • Catalog No: 1ST20384

    Hydramethylnon

    CAS Number: 67485-29-4

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    CAS Number: 67485-29-4Synonym: HydramethylnonFormula: C25H24F6N4Molecular Weight: 494.48Purity: 98+%Form: SolidColor: YellowStorage Condition: RTTr...

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  • Catalog No: 1ST22239

    Lactofen

    CAS Number: 77501-63-4

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    CAS Number: 77501-63-4Synonym: LactofenFormula: C19H15ClF3NO7Molecular Weight: 461.77Purity: 98+%Form: Oily liquidColor: Light yellowStorage Condit...

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  • Catalog No: 1ST4201

    3-Amino-2-oxazolidinone

    CAS Number: 80-65-9

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    CAS Number: 80-65-9Synonym: 3-Amino-2-oxazolidinoneFormula: C3H6N2O2Molecular Weight: 102.09Purity: 98+%Form: SolidColor: White to Off-whiteStorage...

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  • Catalog No: 1ST000688D4

    2,3,4,4',5-Pentachlorobiphenyl-d4

    CAS Number: 1219799-24-2

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    CAS Number: 1219799-24-2Synonym: 2,3,4,4',5-Pentachlorobiphenyl-d4Formula: C12HD4Cl5Molecular Weight: 330.45Purity: 98+%Form: SolidColor: WhiteStor...

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  • Catalog No: 1ST5102D4

    Sodium cyclamate-d4

    CAS Number: 1627119-76-9

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    CAS Number: 1627119-76-9Synonym: Sodium cyclamate-d4Formula: C6H9D4NO3SNaMolecular Weight: 206.25Purity: 99.9+%Form: SolidColor: WhiteStorage Condi...

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  • Catalog No: 1ST21345

    4-Chloro-5-(4-tolyl)-1H-imidazole-2-carbonitrile

    CAS Number: 120118-14-1

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    CAS Number: 120118-14-1Synonym: 4-Chloro-5-(4-tolyl)-1H-imidazole-2-carbonitrileFormula: C11H8ClN3Molecular Weight: 217.65Purity: 98+%Form: SolidCo...

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  • Catalog No: 1ST1307A

    Ractopamine hydrochloride

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    CAS Number: 90274-24-1Synonym: Ractopamine hydrochlorideFormula: C18H23NO3 · HClMolecular Weight: 337.84Purity: 98+%Form: SolidColor: WhiteStorage ...

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  • Catalog No: 1ST5582

    Triclabendazole sulfone

    CAS Number: 106791-37-1

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    CAS Number: 106791-37-1Synonym: Triclabendazole sulfoneFormula: C14H9Cl3N2O3SMolecular Weight: 391.66Purity: 98+%Form: SolidColor: WhiteStorage Con...

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  • Catalog No: 1ST158256

    2,4-Xylidinothiazoline

    CAS Number: 56242-62-7

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    CAS Number: 56242-62-7Synonym: 2,4-XylidinothiazolineFormula: C11H14N2SMolecular Weight: 206.31Purity: 98+%Form: SolidColor: WhiteStorage Condition...

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