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

CAS Number
150322-43-3
Alternate CAS Number
389574-19-0(HCl Salt)
CAS Number
221373-18-8
Alternate CAS Number
132539-06-1(Freebase);783334-36-1(HCl Salt)
CAS Number
132539-06-1
Alternate CAS Number
221373-18-8(Embonate Monohydrate Salt);783334-36-1(HCl Salt)
CAS Number
341-69-5
Alternate CAS Number
341-69-5 (Citrate) , 83-98-7 (Free Base)
CAS Number
60-99-1
Alternate CAS Number
1236-99-3(HCl Salt);7104-38-3(Maleate Salt)
CAS Number
154-21-2
Alternate CAS Number
859-18-7(HCl Salt); 7179-49-9(Monohydrate Salt)
CAS Number
859-18-7
Alternate CAS Number
7179-49-9(Monohydrate Salt);154-21-2(Freebase)