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.

4-(3-Chloropropyl)morpholine

CAS Number

7357-67-7

Alternate CAS Number

57616-74-7 (HCL Salt)

Chemical Primary Standard

4-(4-Bromophenyl)-4-hydroxypiperidine

CAS Number

57988-58-6

Chemical Primary Standard

4-(4-Chlorothiophen-2-yl)thiazol-2-amine

CAS Number

570407-10-2

Chemical Primary Standard

4-(Isopropylamino)butanol

CAS Number

42042-71-7

Chemical Primary Standard

4-(Piperidin-4-Yl)Morpholine Dihydrochloride

CAS Number

550370-31-5

Chemical Primary Standard

4-Amino-1-butanol

CAS Number

13325-10-5

Chemical Primary Standard

4-Amino-3-hydroxybenzoic acid

CAS Number

2374-03-0

Chemical Primary Standard

4-Aminophenol

CAS Number

123-30-8

Chemical Primary Standard

4-Bromobutyric Acid

CAS Number

2623-87-2

Chemical Primary Standard

4-Bromophenol

CAS Number

106-41-2

Chemical Primary Standard

4-chloro-2H-phthalazin-1-one

CAS Number

2257-69-4

Chemical Primary Standard

4-Chloro-3-fluorobenzeneamine

CAS Number

367-22-6

Chemical Primary Standard

4-Chloro-3-nitrobenzonitrile

CAS Number

939-80-0

Chemical Primary Standard

4-Chloro-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine

CAS Number

941685-26-3

Chemical Primary Standard

4-Chloro-7-hydroxy-6-methoxyquinoline-3-carbonitrile

CAS Number

263149-10-6

Chemical Primary Standard

4-Chloro-7H-pyrrolo[2,3-d]pyrimidine

CAS Number

3680-69-1

Chemical Primary Standard

4-Chloro-N-methylpyridine-2-carboxamide

CAS Number

220000-87-3

Chemical Primary Standard

4-Chlorobenzeneboronic Acid

CAS Number

1679-18-1

Chemical Primary Standard

4-chlorobenzenecarboperoxoic acid

CAS Number

937-22-4

Chemical Primary Standard

4-Chlorobenzophenone

CAS Number

134-85-0

Chemical Primary Standard

4-Chlorobenzyl Chloride

CAS Number

104-83-6

Chemical Primary Standard

4-Chlorobutanoyl Chloride

CAS Number

4635-59-0

Chemical Primary Standard

4-Chlorophenyl cyclopropyl ketone

CAS Number

6640-25-1

Chemical Primary Standard

4-Chloropiperidine Hydrochloride

CAS Number

5382-19-4

Chemical Primary Standard

4-Chloropropiophenone

CAS Number

6285-05-8

Chemical Primary Standard

4-ethoxybenzene-1,3-diol

CAS Number

55085-14-8

Chemical Primary Standard

4-Ethylaniline

CAS Number

589-16-2

Chemical Primary Standard

4-Fluorobenzylhydrazine dihydrochloride

CAS Number

1000805-93-5

Chemical Primary Standard

4-Hydroxybutanoic acid

CAS Number

591-81-1

Chemical Primary Standard

4-Methoxyphenylacetic Acid

CAS Number

104-01-8

Chemical Primary Standard

4-Methyl-7H-pyrrolo[2,3-d]pyrimidine.

CAS Number

945950-37-8

Chemical Primary Standard

4-Methylbenzenesulphonic Acid Monohydrate

CAS Number

6192-52-5

Chemical Primary Standard

4′-Hydroxy-3′-methylacetophenone

CAS Number

876-02-8

Chemical Primary Standard

5,6-Dichloro-2,4-pyrimidinediamine

CAS Number

89033-89-6

Chemical Primary Standard

5-(2-aminopropyl)-2-methoxybenzenesulfonamide

CAS Number

112244-38-9

Chemical Primary Standard

5-(2-Bromoacetyl)-2-hydroxybenzamide

CAS Number

73866-23-6

Chemical Primary Standard

5-(Piperazin-1-yl)pyridin-2-ylamine

CAS Number

1082876-26-3

Chemical Primary Standard

5-Amino-2,4-dichlorophenol

CAS Number

39489-79-7

Chemical Primary Standard

5-Amino-3-(trifluoromethyl)pyridine-2-carbonitrile

CAS Number

573762-62-6

Chemical Primary Standard

5-Bromo-2-nitropyridine

CAS Number

39856-50-3

Chemical Primary Standard

5-bromo-4-(4-chlorothiophen-2-yl)thiazol-2-amine

CAS Number

2161380-87-4

Chemical Primary Standard

5-Bromovaleryl chloride

CAS Number

4509-90-4

Chemical Primary Standard

5-Chloro-1-methyl-4-nitroimidazole

CAS Number

4897-25-0

Chemical Primary Standard

5-Chloro-2,3-diphenylpyrazine

CAS Number

41270-66-0

Chemical Primary Standard

5-Chloro-2-methylaniline hydrochloride

CAS Number

6259-42-3

Chemical Primary Standard

5-Chloro-2-nitropyridine

CAS Number

52092-47-4

Chemical Primary Standard

5-Chlorovaleryl chloride

CAS Number

1575-61-7

Chemical Primary Standard

5-Isobutyl-2-Methoxy Aniline

CAS Number

1177214-83-3

Chemical Primary Standard

Chemical Primary Standard

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