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

CAS Number
3033-62-3
Alternate CAS Number
103526-47-2(Dihydrochloride Salt)
CAS Number
15686-51-8
Alternate CAS Number
14976-57-9 (Clemastine Fumarate)
CAS Number
788108-14-5
Alternate CAS Number
75524-10-6 (Chloride salt)
CAS Number
Clomifene STD -911-45-5 : IMP-A- 19957-52-9: IMP-C- 5530-99-4;
Alternate CAS Number
Clomifene STD - 50-41-9(Citrate salt)
CAS Number
911-45-5
Alternate CAS Number
Clomifene STD - 50-41-9(Citrate salt)
CAS Number
4205-91-8
Alternate CAS Number
4205-90-7(Freebase)
CAS Number
4205-90-7
Alternate CAS Number
4205-91-8(HCl Salt)
CAS Number
141109-19-5
Alternate CAS Number
402746-54-7(Sulphate Salt)