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

CAS Number
1105067-88-6(ca salt)
Alternate CAS Number
1428118-38-0(Na Salt); 501121-34-2(Freebase)
CAS Number
145841-69-6
Alternate CAS Number
NA
CAS Number
1076198-18-9
Alternate CAS Number
NA
CAS Number
56767-76-1
Alternate CAS Number
NA
CAS Number
5104-49-4
Alternate CAS Number
56767-76-1(Na salt)