Impurities

Impurities are undesirable chemical components that remain in the active pharmaceutical ingredient during formulation. Impurities may reduce a product's efficacy.

92472-33-8

3-((3S,3aS,5aS,6R,9aS,9bS)-3-(methoxycarbonyl)-3a,6-dimethyl-7-oxododecahydro-1H-cyclopenta[a]naphthalen-6-yl)propanoic acid

CAS Number

92472-33-8

C30H37N3O7

3-(1-((3-Hydroxy-3-phenylpropyl)(methyl)amino)-2-methylpropan-2-yl) 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate

CAS Number

NA

Lercanidipine hydrochloride

C19H18N4O7

3-(2-Isocyanoethyl) 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1-nitroso-1,4-dihydropyridine-3,5-dicarboxylate

CAS Number

NA

Lercanidipine hydrochloride

slide.1

3-(3-Iodopropyl)-7,8-dimethoxy-1H-3-benzazepin-2-one

CAS Number

148870-57-9

Chemical Primary Standard

slide.1

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

CAS Number

641571-12-2

Chemical Primary Standard

slide.1

3-(Bromoacetyl)phenyl acetate

CAS Number

38396-89-3

Chemical Primary Standard

15371-06-9

3-Acetamidophthalic Acid

CAS Number

15371-06-9

3-Beta,5-Beta-Tetrahydro Levonorgestrel

3-Beta,5-Beta-Tetrahydro Levonorgestrel

CAS Number

19351-17-8

3-chloro Rivaroxaban

3-chloro Rivaroxaban

CAS Number

1855920-54-5

Alternate CAS Number

NA

2219376-48-2

3-Chloro-1-(2-nitrophenyl)-5,6-dihydropyridin-2(1H)-one

CAS Number

2219376-48-2

536760-29-9

3-Chloro-1-(4-nitrophenyl)-5,6-dihydropyridin-2(1H)-one

CAS Number

536760-29-9

936-59-4

3-Chloro-1-phenylpropan-1-one

CAS Number

936-59-4

61002-52-6

3-Chloro-4'-hydroxybenzophenone

CAS Number

61002-52-6

50297-40-0

3-chloro-N-(3-hydroxyphenyl)propanamide

CAS Number

50297-40-0

Slide_1

3-Chlorobenzophenone

CAS Number

1016-78-0

Chemical Primary Standard

slide.1

3-Chloropropane-1,2-diol

CAS Number

96-24-2

Chemical Primary Standard

slide.1

3-Desethyl-3-(2-phthalimidoethyl) Phthaloyl Amlodipine

CAS Number

2923811-72-5

slide.1

3-Ethoxy-4-methoxybenzonitrile

CAS Number

60758-86-3

C28H28N2O7

3-Ethyl 5-methyl (S)-2-((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-6-methyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate

CAS Number

NA

66067-43-4

3-Ethylbenzophenone

CAS Number

66067-43-4

Slide_1

3-Hydroxy-4-methoxybenzonitrile

CAS Number

52805-46-6

Chemical Primary Standard

39562-82-8

3-Isopropyl 5-methyl 2,6-dimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate

CAS Number

39562-82-8

Lercanidipine hydrochloride

643-65-2

3-Methylbenzophenone

CAS Number

643-65-2

2413365-22-5

3-Morpholino-1-(4-(2-oxopiperidin-1-yl)phenyl)pyridin-2(1H)-one

CAS Number

2413365-22-5

503615-03-0

3-Morpholino-1-(4-nitrophenyl)-5,6-dihydropyridin-2(1H)-one

CAS Number

503615-03-0

603-11-2

3-Nitrophthalic Acid

CAS Number

603-11-2

2803960-64-5

3-Nitroso-2,3,4,5-tetrahydro-1H-1,5-methanobenzo[d]azepine-7,8-diamine

CAS Number

2803960-64-5

Nitrosamine Impurities

3-O-Desmethyl Amlodipine

3-O-Desmethyl Amlodipine

CAS Number

113994-37-9

86404-04-8

3-O-Ethyl-L-Ascorbic Acid

CAS Number

86404-04-8

92962-23-7

3-Phenyl-3-(o-tolyl)propanenitrile

CAS Number

92962-23-7

Lercanidipine hydrochloride

slide.1

3-tert-Butyl-p-hydroxyanisole

CAS Number

121-00-6

slide.1

3-[1-(Dimethylamino)ethyl]phenol

CAS Number

105601-04-5

Alternate CAS Number

5441-61-2(HCl Salt)

slide.1

4'-((2-Ethoxy-7-(prop-1-en-2-yl)-1H-benzo[d]imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-carboxamide

CAS Number

NA

133690-91-2

4'-(Azidomethyl)-[1,1'-biphenyl]-2-carbonitrile

CAS Number

133690-91-2

2758005-15-9

4'-(Azidomethyl)-[1,1'-biphenyl]-2-methanoic acid

CAS Number

2758005-15-9

C23H31NO5S

4-(1-((1-hydroxy-2-methylpropan-2-yl)amino)-2-methyl-1-oxopropan-2-yl)phenethyl 4-methylbenzenesulfonate

CAS Number

NA

1638785-17-7

4-(2-Chloroethyl)-N-methoxy-N,α,α-trimethyl-benzeneacetamide

CAS Number

1638785-17-7

Slide_1

4-(3-Chloropropyl)morpholine

CAS Number

7357-67-7

Alternate CAS Number

57616-74-7 (HCL Salt)

Chemical Primary Standard

74852-62-3

4-(4-(4-Methoxyphenyl)piperazin-1-yl)aniline

CAS Number

74852-62-3

slide.1

4-(4-Chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-amine

CAS Number

570407-42-0

Chemical Primary Standard

slide.1

4-(5-Bromo-2-chlorobenzyl)phenol

CAS Number

864070-18-8

Chemical Primary Standard

4-(Difluoromethoxy)-2-nitroaniline

4-(Difluoromethoxy)-2-nitroaniline

CAS Number

97963-76-3

Alternate CAS Number

NA

Slide_1

4-Acetylbenzoic Acid

CAS Number

586-89-0

Chemical Primary Standard

4-Amino-2-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)isoindoline-1,3-dione

4-Amino-2-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)isoindoline-1,3-dione

CAS Number

253168-83-1

Slide_1

4-Amino-3-chlorophenol Hydrochloride

CAS Number

52671-64-4

Chemical Primary Standard

slide.1

4-Amino-3-hydroxybenzoic acid

CAS Number

2374-03-0

Chemical Primary Standard

Slide_1

4-Amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylic Acid

CAS Number

123654-26-2

Chemical Primary Standard

slide.1

4-Amino-5-hydroxymethyl-2- methylpyrimidine Hydrochloride

CAS Number

13100-57-7

Chemical Primary Standard