Impurities

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

Doxoflylline Impurity 1

CAS Number

1174289-18-9

Doxofylline

Dextromethophan Impurity C

CAS Number

57969-05-8

Dextromethorphan

Elagolix Standard

CAS Number

834153-87-6

Alternate CAS Number

832720-36-2(Na salt);2390005-65-7 (HCl salt) ; 2254609-59-9 (K salt) ; 2390005-66-8 (TFA salt)

Elagolix

(R)-methyl-4-((2-(5-(2-fluoro-3-methoxyphenyl)-3-(2-fluoro-6-(trifluoromethyl)benzyl)-4-methyl-2,6-dioxo-2,3-dihydropyrimidin-1(6H)-yl)-1-phenylethyl)amino)butanoate

CAS Number

1092070-97-7

Elagolix

Desbutyrate Elagolix

CAS Number

830346-50-4

Elagolix

Elagolix Impurity 4

CAS Number

2699942-38-4

Alternate CAS Number

2699942-37-3 (free base)

Elagolix

Elegolix Diacid Impurity

CAS Number

2409132-60-9

Elagolix

Elagolix Lactam Impurity

CAS Number

2248628-93-3

Elagolix

Esketamine EP Impurity B

CAS Number

1823362-29-3

Esketamine

Empagliflozin S-Furanose

CAS Number

1620758-32-8

Empagliflozin

Empagliflozin THF Impurity

CAS Number

1358604-08-6

Empagliflozin

Empagliflozin Open Ring Impurity

CAS Number

1620758-34-0

Empagliflozin

1-Methoxy Empagliflozin

CAS Number

1279691-36-9

Empagliflozin

Emtricitabine Standard

CAS Number

143491-57-0

Emtricitabine

Emtricitabine 5-Fluorouracil Analog

CAS Number

145986-11-4

Emtricitabine

N-Nitroso Diclofenac

CAS Number

66505-80-4

Diclofenac

Risperidone Related compound G

CAS Number

152542-00-2

Alternate CAS Number

2469195-84-2(HCl Salt)

Risperidone

Emtricitabine Carboxylic Acid

CAS Number

1238210-10-0

Emtricitabine

Emtricitabine S-Oxide (Mixture of Diastereomers)

CAS Number

152128-77-3

Emtricitabine

Edaravone Impurity 1

CAS Number

1242471-40-4

Edaravone

Edaravone Impurity 2

CAS Number

1242471-40-4

Edaravone

Diclofenac Standard

CAS Number

15307-86-5

Alternate CAS Number

15307-81-0(K Salt); 15307-79-6(Na Salt)

Diclofenac

Diclofenac Related Compound D

CAS Number

127792-23-8

Alternate CAS Number

127792-45-4(Na Salt)

Diclofenac

Diclofenac Benzaldehyde Analog

CAS Number

22121-58-0

Diclofenac

Diclofenac alcohol analog

CAS Number

27204-57-5

Diclofenac

Edoxaban Impurity 3

CAS Number

1353893-25-0

Edoxaban

Edoxaban Impurity 7

CAS Number

767625-11-6

Edoxaban

Etodolac Standard

CAS Number

41340-25-4

Etodolac

Etodolac EP Impurity K

CAS Number

122188-02-7

Etodolac

Etravirine EP Impurity D

CAS Number

939431-68-2

Etravirine

Ezetimibe Standard

CAS Number

163222-33-1

Ezetimibe

Ezetimibe Impurity F

CAS Number

302781-98-2

Ezetimibe

Ezetimibe Impurity E

CAS Number

190595-66-5

Ezetimibe

Dapagliflozin Impurity-1

CAS Number

1103738-29-9

Dapagliflozin

Dapagliflozin Impurity-3

CAS Number

1280647-32-6

Dapagliflozin

Fenofibrate Related Compound A

CAS Number

42019-78-3

Fenofibrate

Fenofibrate Related Compound C

CAS Number

217636-48-1

Fenofibrate

Fenofibric Acid Methyl Ester

CAS Number

42019-07-8

Fenofibrate

Fenofibrate Impurity E

CAS Number

42019-08-9

Fenofibrate

Fenofibrate Impurity F

CAS Number

154356-96-4

Fenofibrate

Folic acid Standard

CAS Number

59-30-3

Folic Acid

Folic Acid Impurity G

CAS Number

2734707-85-6

Folic Acid

Folic Acid Impurity D

CAS Number

119-24-4

Folic Acid

Impurities

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