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.

Sodium Thiosulfate

CAS Number

7772-98-7

Chemical Primary Standard

N,N-Dimethylaniline

CAS Number

121-69-7

Chemical Primary Standard

Sulfuric acid

CAS Number

7664-93-9

Chemical Primary Standard

Sodium Dichromate Dihydrate

CAS Number

7789-12-0

Chemical Primary Standard

Aluminium sulfate hexadecahydrate

CAS Number

16828-11-8

Chemical Primary Standard

Methyl Nicotinate

CAS Number

93-60-7

Chemical Primary Standard

1,2-Diiodoethane

CAS Number

624-73-7

Chemical Primary Standard

Cumene Hydroperoxide

CAS Number

80-15-9

Chemical Primary Standard

Triphenylphosphine

CAS Number

603-35-0

Chemical Primary Standard

Di-O-benzoyl-D-tartaric Acid

CAS Number

17026-42-5

Chemical Primary Standard

Fumaric acid

CAS Number

110-17-8

Alternate CAS Number

141-01-5(Fumarate Salt);

Chemical Primary Standard

1-(2-Bromoethoxy)-2-ethoxybenzene

CAS Number

3259-03-8

Chemical Primary Standard

Bromoacetic Acid

CAS Number

79-08-3

Chemical Primary Standard

[2′-(1H-Tetrazol-5-yl)biphenyl-4-yl]methanol

CAS Number

160514-13-6

Chemical Primary Standard

Trityl Chloride

CAS Number

76-83-5

Chemical Primary Standard

4'-Methylbiphenyl-2-carbonitrile

CAS Number

114772-53-1

Chemical Primary Standard

Tributyltin Chloride

CAS Number

1461-22-9

Chemical Primary Standard

2-Amino-N-(2-chloro-6-methylphenyl)-5-thiazolecarboxamide

CAS Number

302964-24-5

Chemical Primary Standard

4,6-Dichloro-2-methylpyrimidine

CAS Number

1780-26-3

Chemical Primary Standard

4-chlorobenzenecarboperoxoic acid

CAS Number

937-22-4

Chemical Primary Standard

2,3,5,6-Tetrafluorophenol

CAS Number

769-39-1

Chemical Primary Standard

Aniline

CAS Number

62-53-3

Chemical Primary Standard

1,3-diphenylpropan-2-amine;hydrochloride

CAS Number

7763-96-4

Chemical Primary Standard

5-(2-Bromoacetyl)-2-hydroxybenzamide

CAS Number

73866-23-6

Chemical Primary Standard

4-Ethylaniline

CAS Number

589-16-2

Chemical Primary Standard

Methyl 5-(2-bromo-1-hydroxyethyl)-2-hydroxybenzoate

CAS Number

960075-11-0

Chemical Primary Standard

2-(4-Formylphenyl)acetic acid

CAS Number

34841-47-9

Chemical Primary Standard

(2S)-4-phenylbutan-2-amine

CAS Number

4187-57-9

Chemical Primary Standard

Methyl isobutyl ketone

CAS Number

108-10-1

Chemical Primary Standard

Dihydroxypalladium

CAS Number

12135-22-7

Chemical Primary Standard

1-(6-Methoxynaphthalen-2-yl)ethanone

CAS Number

3900-45-6

Chemical Primary Standard

N-Chlorosuccinimide

CAS Number

128-09-6

Chemical Primary Standard

3-Butyl-1-methyl-1H-imidazol-3-ium bis((trifluoromethyl)sulfonyl)amide

CAS Number

174899-83-3

Chemical Primary Standard

Iodic acid

CAS Number

7782-68-5

Chemical Primary Standard

2'-Aminoacetophenone

CAS Number

551-93-9

Chemical Primary Standard

2-Hydroxybenzaldehyde

CAS Number

90-02-8

Chemical Primary Standard

N-(4-hydroxyphenyl)formamide

CAS Number

1693-39-6

Chemical Primary Standard

Allyl Bromide

CAS Number

106-95-6

Chemical Primary Standard

Pyrocatechol

CAS Number

120-80-9

Chemical Primary Standard

Paraformaldehyde

CAS Number

30525-89-4

Chemical Primary Standard

2-prop-2-enoxyphenol

CAS Number

1126-20-1

Chemical Primary Standard

2-(methylamino)ethanol hydrochloride

CAS Number

62640-03-3

Chemical Primary Standard

N-Carbamoyl-2-methylbenzenesulfonamide

CAS Number

39051-77-9

Chemical Primary Standard

tetrahydro-1H-cyclopenta[c]furan-1,3(3aH)-dione

CAS Number

5763-49-5

Chemical Primary Standard

1-(6-Nitropyridin-3-yl)piperazine Hydrochloride

CAS Number

1221726-34-6

Chemical Primary Standard

5-Chloro-2-nitropyridine

CAS Number

52092-47-4

Chemical Primary Standard

2-aMinotetrahydro-Cyclopenta[c] pyrrole-1,3(2H,3aH)-dione

CAS Number

1050666-51-7

Chemical Primary Standard

1-(Cyanomethyl)cyclohexane-1-carbonitrile

CAS Number

4172-99-0

Chemical Primary Standard

Chemical Primary Standard

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