Chemical Primary Standard

Chemical Primary Standard refers to a highly pure, well-characterized chemical substance that is used as a reference material for accurate quantitative analysis in pharmaceutical, chemical, and analytical laboratories.

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Heptanoic acid

CAS Number

111-14-8

Chemical Primary Standard

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1-[2-(2-Hydroxyethoxy)ethyl]piperazine

CAS Number

13349-82-1

Chemical Primary Standard

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Tert-butyl N-[(2-methylpropan-2-yl)oxycarbonylcarbamothioyl]carbamate

CAS Number

145013-05-4

Chemical Primary Standard

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1,1,2-Trichloroethane

CAS Number

79-00-5

Chemical Primary Standard

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4,5-Dimethoxy-1-benzocyclobutenecarbonitrile

CAS Number

35202-54-1

Chemical Primary Standard

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1,2-Dichloroethanol

CAS Number

74054-85-6

Chemical Primary Standard

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4-Methylbenzenesulphonic Acid Monohydrate

CAS Number

6192-52-5

Chemical Primary Standard