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.

6'-Methyl-3-(4-(methylsulfonyl)phenyl)-2,3'-bipyridine

CAS Number

1350206-14-2

Chemical Primary Standard

1,1,3,3-Tetramethyldisiloxane

CAS Number

3277-26-7

Chemical Primary Standard

Salicylic acid

CAS Number

69-72-7

Alternate CAS Number

54-21-7 (Na salt)

Chemical Primary Standard

3-Hydrazinobenzoic acid hydrochloride

CAS Number

87565-98-8

Chemical Primary Standard

2,6-Dihydroxy-3-methyl-3,4-dihydropyrimidin-4-one

CAS Number

882872-13-1

Chemical Primary Standard

3-(6-Methylpyridin-3-yl)-2-(4-(methylthio)phenyl)-3-oxopropanenitrile

CAS Number

321913-54-6

Chemical Primary Standard

2-(4-Methanesulfonylphenyl)-1-pyridin-3-ylethanone

CAS Number

40061-50-5

Chemical Primary Standard

Bromine

CAS Number

7726-95-6

Chemical Primary Standard

4-Chloropropiophenone

CAS Number

6285-05-8

Chemical Primary Standard

tert-Butylamine

CAS Number

75-64-9

Chemical Primary Standard

3'-Bromopropiophenone

CAS Number

19829-31-3

Chemical Primary Standard

tert-Butyl Nitrite

CAS Number

540-80-7

Chemical Primary Standard

3,5-Dichloropropiophenone

CAS Number

92821-92-6

Chemical Primary Standard

1-(2-Chlorophenyl)propan-1-one

CAS Number

6323-18-8

Chemical Primary Standard

N-Bromosuccinimide

CAS Number

128-08-5

Chemical Primary Standard

Propiophenone

CAS Number

93-55-0

Chemical Primary Standard

N-Methylpyrrolidone

CAS Number

872-50-4

Chemical Primary Standard

Ammonium Acetate

CAS Number

631-61-8

Chemical Primary Standard

3',4'-Dichloropropiophenone

CAS Number

6582-42-9

Chemical Primary Standard

Dimethylaniline-2,4

CAS Number

95-68-1

Chemical Primary Standard

2,3-Dimethylaniline

CAS Number

87-59-2

Chemical Primary Standard

2-Chloro-N-(2,6-dimethylphenyl)acetamide

CAS Number

1131-01-7

Chemical Primary Standard

Chloroacetyl Chloride

CAS Number

79-04-9

Chemical Primary Standard

Acetyl Chloride

CAS Number

75-36-5

Chemical Primary Standard

Dimethylaniline-2,6

CAS Number

87-62-7

Chemical Primary Standard

2-(1-Cyclohexenyl)ethylamine

CAS Number

3399-73-3

Chemical Primary Standard

4-Methoxyphenylacetic Acid

CAS Number

104-01-8

Chemical Primary Standard

1-Butyl-3-methylimidazolium chloride

CAS Number

79917-90-1

Chemical Primary Standard

1-Butyl-3-methylimidazolium acetate

CAS Number

284049-75-8

Chemical Primary Standard

Methyl Formate

CAS Number

107-31-3

Chemical Primary Standard

Osmium Tetroxide

CAS Number

20816-12-0

Chemical Primary Standard

Cyclobenzaprine

CAS Number

303-53-7

Chemical Primary Standard

2-(2-Chloroethoxy)ethanol

CAS Number

628-89-7

Chemical Primary Standard

1-[(4-Chlorophenyl)phenylmethyl]piperazine

CAS Number

303-26-4

Chemical Primary Standard

Phosphorus(V) Oxychloride

CAS Number

10025-87-3

Chemical Primary Standard

Hydroxylamine Hydrochloride

CAS Number

5470-11-1

Chemical Primary Standard

2-(4'-Chlorobenzoyl)benzoic Acid

CAS Number

85-56-3

Chemical Primary Standard

Desloratadine

CAS Number

100643-71-8

Chemical Primary Standard

2-(Methylamino)ethanol

CAS Number

109-83-1

Chemical Primary Standard

Benzophenone

CAS Number

119-61-9

Chemical Primary Standard

2-Phenylisobutyric Acid

CAS Number

826-55-1

Chemical Primary Standard

4-Chlorobutanoyl Chloride

CAS Number

4635-59-0

Chemical Primary Standard

Methyl 2-(3-(4-Chlorobutanoyl)phenyl)-2-methylpropanoate

CAS Number

343255-26-5

Chemical Primary Standard

Diphenyl(piperidin-4-yl)methanol

CAS Number

115-46-8

Chemical Primary Standard

Chlorosuccinic Acid

CAS Number

16045-92-4

Chemical Primary Standard

8-Bromo-3-methyl-7-(2-butynyl)-xanthine

CAS Number

666816-98-4

Chemical Primary Standard

Chloroacetonitrile

CAS Number

107-14-2

Chemical Primary Standard

4-Chloro-N-methylpyridine-2-carboxamide

CAS Number

220000-87-3

Chemical Primary Standard

Chemical Primary Standard

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