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

CAS Number
2380-61-2
Alternate CAS Number
15743-04-1(HCl Salt)
CAS Number
124937-53-7
Alternate CAS Number
873551-03-2(Tartrate Salt)
CAS Number
100648-13-3
Alternate CAS Number
2077198-33-3(Na - Salt)
CAS Number
294882-33-0
Alternate CAS Number
84333-59-5(Freebase)
CAS Number
356083-64-2
Alternate CAS Number
2518359-32-3(DiHCl Salt)
CAS Number
754147-91-6
Alternate CAS Number
113698-83-2(Di HCl Salt)
CAS Number
93152-26-2
Alternate CAS Number
53960-20-6(Dihydrochloride Salt)
CAS Number
2293-21-2
Alternate CAS Number
10464-24-1(HCl Salt)