Pharmaceutical Standards

Pharmaceutical standards are guidelines and regulations that govern the quality and safety of pharmaceutical products and manufacturing processes.

Dihydralazine EP Impurity A

CAS Number

649765-80-0

Dihydralazine

Bortezomib D-mannitol Impurity

CAS Number

444576-08-3

Bortezomib

Maleic Acid

CAS Number

110-16-7

Chemical Primary Standard

Citric Acid

CAS Number

77-92-9

Chemical Primary Standard

Atorvastatin EP Impurity -O

CAS Number

887196-30-7

Atorvastatin

Thioguanine

CAS Number

154-42-7

Chemical Primary Standard

N-Phenethylacetamide

CAS Number

877-95-2

Chemical Primary Standard

Adenine

CAS Number

73-24-5

Chemical Primary Standard

(2S,3S)-3-(Acetyloxy)-2,3-dihydro-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-one

CAS Number

87447-47-0

Chemical Primary Standard

Gabapentin Acid Impurity

CAS Number

1281568-83-9

Gabapentin

Elegolix Diacid Impurity

CAS Number

2409132-60-9

Elagolix

Everolimus EP Impurity E

CAS Number

1237826-25-3

Everolimus

1-(2-Chloroethyl)piperidine Hydrochloride

CAS Number

2008-75-5

Chemical Primary Standard

Methyl 4-chloro-3-nitrobenzoate

CAS Number

14719-83-6

Chemical Primary Standard

2,4-Difluorobenzoic Acid

CAS Number

1583-58-0

Chemical Primary Standard

Colchicine Standard

CAS Number

64-86-8

Alternate CAS Number

34371-48-7(HCl Salt)

Colchicine

Carbidopa Monohydrate Standard

CAS Number

38821-49-7

Alternate CAS Number

28860-95-9(Freebase); 65132-60-7 (HCl salt)

Carbidopa

Carbidopa Hydrochloride Standard

CAS Number

38821-49-7

Alternate CAS Number

28860-95-9(Freebase); 65132-60-7(HCl salt)

Carbidopa

Carbidopa EP Impurity A

CAS Number

555-30-6

Carbidopa

4-chloro-3-nitrobenzenesulfonamide

CAS Number

97-09-6

Chemical Primary Standard

Carbidopa EP Impurity B

CAS Number

18181-08-3

Carbidopa

Carbidopa EP Impurity C

CAS Number

84488-77-7

Carbidopa

Carbidopa EP Impurity D

CAS Number

934371-48-9

Carbidopa

Carbidopa EP Impurity E

CAS Number

52514-63-3

Carbidopa

Carbidopa EP Impurity F

CAS Number

1458640-32-8

Carbidopa

Carbidopa EP Impurity H

CAS Number

1361017-74-4

Carbidopa

Carbidopa EP Impurity I

CAS Number

1246819-09-9

Carbidopa

Carbidopa EP Impurity J

CAS Number

43197-33-7

Carbidopa

(R)-Carbidopa

CAS Number

28875-92-5

Carbidopa

Methyl 3-(3,4-dihydroxyphenyl)-2-methylpropanoate

CAS Number

2104012-68-0

Carbidopa

Aminocaproic Acid

CAS Number

60-32-2

Chemical Primary Standard

Carbidopa USP Related Compound A

CAS Number

85933-19-3

Carbidopa

2-Chloroethan-1-amine

CAS Number

689-98-5

Chemical Primary Standard

Clindamycin Standard

CAS Number

18323-44-9

Clindamycin phosphate

2-Amino-6-(hydroxymethyl)pteridin-4(1H)-one

CAS Number

712-29-8

Chemical Primary Standard

N-(4-Aminobenzoyl)-L-glutamic Acid

CAS Number

4271-30-1

Chemical Primary Standard

4-Amino-3-chlorophenol Hydrochloride

CAS Number

52671-64-4

Chemical Primary Standard

4-Chloro-7-methoxy-6-quinolinecarboxamide

CAS Number

417721-36-9

Chemical Primary Standard

(S)-(+)-Epichlorohydrin

CAS Number

67843-74-7

Chemical Primary Standard

2-Chlorophenothiazine

CAS Number

92-39-7

Chemical Primary Standard

Methenamine

CAS Number

100-97-0

Chemical Primary Standard

5-Chloro-1-(4-piperidinyl)-2-benzimidazolidinone

CAS Number

53786-28-0

Chemical Primary Standard

6-Amino-1,3-dimethyluracil

CAS Number

6642-31-5

Chemical Primary Standard

N-[(1,1-Dimethylethoxy)carbonyl]-L-alanine

CAS Number

15761-38-3

Chemical Primary Standard

3-(4-Methyl-1H-imidazol-1-yl)-5-(trifluoromethyl)benzonitrile

CAS Number

641571-12-2

Chemical Primary Standard

piperidin-2-ylmethanamine

CAS Number

22990-77-8

Chemical Primary Standard

5-Chloroquinolin-4-ol

CAS Number

23443-05-2

Chemical Primary Standard

8-Azabicyclo[3.2.1]octan-3-one

CAS Number

5632-84-8

Chemical Primary Standard

Pharmaceutical Standards

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