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

CAS Number
76420-72-9
Alternate CAS Number
84680-54-6(Enalapril Maleate - Impurity C (Dihydrate Salt));84680-54-6(Enalaprilat Dihydrate - API (Dihydrate Salt))