5-Chloro-1,3-dihydro-1-(4-piperidinyl)-2H-benzimidazol-2-one

It is a precursor that is reacted with other compounds to build the final domperidone molecule. The chemical name can also be used interchangeably with synonyms like Domperidone – Impurity A when referring to a known impurity of domperidone. 5-Chloro-1,3-dihydro-1-(4-piperidinyl)-2H-benzimidazol-2-one serves as a key intermediate in the chemical synthesis of domperidone.