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

CAS Number
64616-76-8
Alternate CAS Number
55819-71-1 (HCl Salt)
CAS Number
787504-88-5
Alternate CAS Number
1353749-74-2 (HCl Salt)
CAS Number
322-35-0;
Alternate CAS Number
14919-77-8(HCl Salt)
CAS Number
6011-39-8
Alternate CAS Number
61-33-6(Freebase); 69-57-8(Na Salt); 113-98-4(Potassium 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)
CAS Number
63659-18-7
Alternate CAS Number
Betaxolol Hydrochloride-63659-19-8
CAS Number
33455-95-7(base)
Alternate CAS Number
33455-96-8 (HCl salt)