API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Domperidone

EP Impurity A

5-chloro-1-(piperidin-4-yl)-1,3-dihydro-2H-benzimidazol-2-one DomperidoneEP Impurity A
Domperidone

EP Impurity B

4-(5-chloro-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)-1-formylpiperidine