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

CAS Number
23580-89-4(Freebase)
Alternate CAS Number
30684-07-2(HCl Salt)
CAS Number
54910-89-3
Alternate CAS Number
56296-78-7(HCl Salt)
CAS Number
56767-76-1
Alternate CAS Number
NA
CAS Number
5104-49-4
Alternate CAS Number
56767-76-1(Na salt)
CAS Number
89035-92-7
Alternate CAS Number
917096-37-8(Maleate Salt); 2747924-45-2(fumarate Salt)
CAS Number
54739-18-3
Alternate CAS Number
61718-82-9(Maleate Salt)
CAS Number
110-17-8
Alternate CAS Number
141-01-5(Fumarate Salt);
CAS Number
110-17-8
Alternate CAS Number
141-01-5(Fumarate Salt)
CAS Number
IMP-I- 5951-83-7: IMP-K- 4701-54-6 :IMP-L- 74048-41-2 :IMP-M- 1013937-16-0