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

CAS Number
329216-67-3
Alternate CAS Number
329218-14-6 (2 HCl Salt)
CAS Number
117707-40-1
Alternate CAS Number
2254176-11-7(HCl Salt)
CAS Number
151250-76-9
Alternate CAS Number
1346603-62-0(HCl salt)
CAS Number
1798418-82-2
Alternate CAS Number
2470233-28-2 (Fumarate salt)
CAS Number
1215342-36-1
Alternate CAS Number
NA(Fumarate Salt)
CAS Number
864544-37-6
Alternate CAS Number
1346603-26-6 (HCl salt)
CAS Number
110-17-8
Alternate CAS Number
141-01-5(Fumarate Salt)
CAS Number
53499-40-4
Alternate CAS Number
17471-10-2(Freebase)