Impurities

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

2-chloro-1-(4-fluorophenyl)-2-phenylethan-1-one

CAS Number

62148-67-8

(3R,5S)-Atorvastatin

CAS Number

651770-09-1(free base); 1312366-79-2 (Ca salt); 131275-93-9 (Na salt)

(3R,5R)-Atorvastatin Amide

CAS Number

2125501-02-0

Atorvastatin Calcium Hydrate API

CAS Number

357164-38-6

Atorvastatin Sodium

CAS Number

134523-01-6

Clopidogrel - API Standards

CAS Number

113665-84-2

Clopidogrel Camphorsulfonate - API Standards

CAS Number

120202-68-8

Clopidogrel Hydrogen Sulfate

CAS Number

120202-66-6

2-(Thiophen-3-yl)ethyl 4-methylbenzenesulfonate

CAS Number

40412-09-7

Methyl (S)-2-(2-chlorophenyl)-2-(nitroso(2-(thiophen-2-yl)ethyl)amino)Acetate

CAS Number

Clopidogrel Hydrogen Sulfate - Impurity D

CAS Number

1421283-60-4

Clopidogrel Hydrochloride Impurity - E

CAS Number

90055-68-8

Clopidogrel Impurity - F

CAS Number

141109-19-5

Alternate CAS Number

402746-54-7(Sulphate Salt)

(E)-2,6,8-Trimethylnon-5-en-4-one

CAS Number

61285-69-6

5-(1-(2-Chlorophenyl)-2-methoxy-2-oxoethyl)thieno[3,2-c]pyridin-5-ium bromide

CAS Number

1251822-13-5

D-(+)-(2-Chlorophenyl)glycine

CAS Number

86169-24-6

5-((S)-1-(2-Chlorophenyl)-2-methoxy-2-oxoethyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine 5-oxide

CAS Number

1319197-71-1

Clopidogrel Nitroso Impurity

CAS Number

2460755-43-3

Citalopram Oxalate

CAS Number

207559-01-1

Citalopram Hydrobromide - Impurity G (Freebase)

CAS Number

1329745-98-3(Freebase)

Alternate CAS Number

2575516-42-4(Salt)

(S)-N-Didesmethyl Citalopram Oxalate

CAS Number

166037-78-1 (Freebase)

Citalopram Carboxylic Acid

CAS Number

440121-09-5

Citalopram Addition Product

CAS Number

717133-25-0

Citalopram Diol-Desfluoro Impurity

CAS Number

1187671-15-3; 1187582-64-4 (HBr salt)

Fluorobenzene

CAS Number

462-06-6

1-(3-(Dimethylamino)propyl)-1-phenyl-1,3-dihydroisobenzofuran-5-carbonitrile

CAS Number

1026009-77-7;1093072-86-6(Escitalopram - Impurity L (Oxalate Salt));

Citalopram USP Related Compound - F

CAS Number

55011-89-7

Citalopram Hydrobromide - Impurity D (Hydrochloride Salt)

CAS Number

97743-99-2

Alternate CAS Number

62498-67-3(Freebase);1188264-72-3(HBr Salt);97743-99-2(HCl Salt);62498-68-4(oxalate salt)

Citalopram Hydrobromide - Impurity F (Oxalate )

CAS Number

64372-43-6

Alternate CAS Number

479065-02-6(HBr Salt);64169-39-7(Freebase)

Citalopram Impurity - 18

CAS Number

1370643-23-4

Citalopram Hydrobromide - Impurity E (Oxalate)

CAS Number

1329612-81-8;

Alternate CAS Number

1332724-08-9(HBr Salt);64169-45-5(Freebase)

Citalopram Impurity - 20

CAS Number

NA; 2847776-07-0 (free base) ; 2847776-08-1 (bromide)

Impurities

2-chloro-1-(4-fluorophenyl)-2-phenylethan-1-one

(3R,5S)-Atorvastatin

(3R,5R)-Atorvastatin Amide

Atorvastatin Calcium Hydrate API

Atorvastatin Sodium

Clopidogrel - API Standards

Clopidogrel Camphorsulfonate - API Standards

Clopidogrel Hydrogen Sulfate

2-(Thiophen-3-yl)ethyl 4-methylbenzenesulfonate

Methyl (S)-2-(2-chlorophenyl)-2-(nitroso(2-(thiophen-2-yl)ethyl)amino)Acetate

Clopidogrel Hydrogen Sulfate - Impurity D

Clopidogrel Hydrochloride Impurity - E

Clopidogrel Impurity - F

(E)-2,6,8-Trimethylnon-5-en-4-one

5-(1-(2-Chlorophenyl)-2-methoxy-2-oxoethyl)thieno[3,2-c]pyridin-5-ium bromide

D-(+)-(2-Chlorophenyl)glycine

5-((S)-1-(2-Chlorophenyl)-2-methoxy-2-oxoethyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine 5-oxide

Clopidogrel Nitroso Impurity

Citalopram Oxalate

Citalopram Hydrobromide - Impurity G (Freebase)

(S)-N-Didesmethyl Citalopram Oxalate

Citalopram Carboxylic Acid

Citalopram Addition Product

Citalopram Diol-Desfluoro Impurity

Fluorobenzene

1-(3-(Dimethylamino)propyl)-1-phenyl-1,3-dihydroisobenzofuran-5-carbonitrile

Citalopram USP Related Compound - F

Citalopram Hydrobromide - Impurity D (Hydrochloride Salt)

Citalopram Hydrobromide - Impurity F (Oxalate )

Citalopram Impurity - 18

Citalopram Hydrobromide - Impurity E (Oxalate)

Citalopram Impurity - 20

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