Impurities

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

1800205-94-0

Finasteride Impurity - C

CAS Number

1800205-94-0

55270-71-8

2-Chloro-4'-hydroxybenzophenone

CAS Number

55270-71-8

42017-89-0

Fenofibric Acid

CAS Number

42017-89-0

1797121-54-0

Fenofibric Acid 1-Carboxyl-1-methylethyl Ester

CAS Number

1797121-54-0

217636-48-1

Fenofibrate EP Impurity - G

CAS Number

217636-48-1

154356-96-4

Fenofibrate Impurity - F

CAS Number

154356-96-4

42019-08-9

Fenofibrate Impurity - E

CAS Number

42019-08-9

259793-96-9

Favipiravir

CAS Number

259793-96-9

C5H4ClN3O2

Favipiravir Impurity - 6

CAS Number

259793-90-3

1079990-21-8

Favipiravir Impurity-8

CAS Number

1079990-21-8

356783-16-9

3,6-Dichloropyrazine-2-carbonitrile

CAS Number

356783-16-9

1180525-74-9

2-(Bis(6-chloro-2-methylpyrimidin-4-yl)amino)-N-(2-chloro-6-methylphenyl)thiazole-5-carboxamide

CAS Number

1180525-74-9

1184919-23-0

Deschloro Dasatinib

CAS Number

1184919-23-0

863127-77-9

Dasatinib Monohydrate

CAS Number

863127-77-9

854001-07-3

Dasatinib hydrochloride

CAS Number

854001-07-3

1245157-42-9

Dasatinib Hydrolytic Impurity

CAS Number

1245157-42-9

910297-51-7

N-Deshydroxyethyl Dasatinib

CAS Number

910297-51-7(free base); 1852573-26-2 (HCl Salt)

910297-52-8

Dasatinib N-Oxide

CAS Number

910297-52-8

Desogestrel Standard

CAS Number

54024-22-5

54024-12-3

Desogestrel EP Impurity B

CAS Number

54024-12-3

100427-26-7

Lercanidipine

CAS Number

100427-26-7(Free base)

Lercanidipine hydrochloride

54048-10-1

Desogestrel EP Impurity D

CAS Number

54048-10-1

70805-85-5

Desogestrel EP Impurity E

CAS Number

70805-85-5

201360-83-0

Desogestrel Impurity 1

CAS Number

201360-83-0

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

70805-84-4

Desogestrel Impurity 2

CAS Number

70805-84-4

92962-23-7

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

CAS Number

92962-23-7

Lercanidipine hydrochloride

882297-86-1

Desogestrel Impurity 4

CAS Number

882297-86-1

Desogestrel Impurity 6

Desogestrel Impurity 5

CAS Number

NA

Desogestrel Impurity 6

Desogestrel Impurity 6

CAS Number

NA

Desogestrel Impurity 7

Desogestrel Impurity 7

CAS Number

53067-82-6

201360-82-9

Desogestrel EP Impurity A

CAS Number

201360-82-9

66452-30-0

Methyl Gestodene

CAS Number

66452-30-0

136656-97-8

Dexketoprofen Ethyl Ester

CAS Number

136656-97-8

107257-20-5

Dexketoprofen related compound - A

CAS Number

107257-20-5

851775-73-0

Dexketoprofen Isopropyl Ester

CAS Number

851775-73-0

81601-91-4

Dexketoprofen Methyl Ester

CAS Number

81601-91-4

643-65-2

3-Methylbenzophenone

CAS Number

643-65-2

66067-43-4

3-Ethylbenzophenone

CAS Number

66067-43-4

1797984-80-5

(2RS)-2-[3-(2,4,5-Trimethylbenzoyl)phenyl]propanoic Acid

CAS Number

1797984-80-5

22071-15-4

rac Ketoprofen

CAS Number

22071-15-4

107257-20-5

2-[3-(4-Methyl-benzoyl)-phenyl]-propionic Acid

CAS Number

107257-20-5

C21H26N2O7

5-(sec-Butoxycarbonyl)-1-(methoxymethyl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylic Acid

CAS Number

NA

Lercanidipine hydrochloride

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

C21H27N3O6

Methyl 5-((2-hydroxy-2-methylpropyl)(methyl)carbamoyl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylate

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

C36H40N4O7

N-Nitroso Lercanidipine

CAS Number

NA

Lercanidipine hydrochloride

Nitrosamine Impurities

C16H15N3O7

N-Nitroso Lercanidipine EP Impurity A

CAS Number

NA

Lercanidipine hydrochloride

Nitrosamine Impurities