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

CAS Number
1228552-02-0
Alternate CAS Number
2173004-95-8(Hcl Salt)
CAS Number
100-69-6
Alternate CAS Number
2479-59-6(HCl Salt)
CAS Number
103-74-2
Alternate CAS Number
101948-60-1(HCl Salt)