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

CAS Number
93413-90-2
Alternate CAS Number
149289-30-5(Freebase)
CAS Number
93413-79-7(Salt)
Alternate CAS Number
93413-57-1(Freebase)
CAS Number
323176-93-8
Alternate CAS Number
2174001-92-2(HCl Salt)
CAS Number
39552-81-3(base)
Alternate CAS Number
83528-16-9 (HCl salt)
CAS Number
56-12-2
Alternate CAS Number
5959-35-3