Domperidone Impurities

• Domperidone - EP Impurity A
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• Impurity: Domperidone - EP Impurity A
• Chemical Name: 5-chloro-1-(piperidin-4-yl)-1,3-dihydro-2H-benzimidazol-2-one

• Domperidone - EP Impurity C
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• Impurity: Domperidone - EP Impurity C
• Chemical Name: cis-4-(5-chloro-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)-1-[3-(2-oxo-2,3-dihydro-1Hbenzimidazol-1-yl)propyl]piperidine 1-oxide

• Domperidone - EP Impurity B
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• Impurity: Domperidone - EP Impurity B
• Chemical Name: 4-(5-chloro-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)-1-formylpiperidine

• Domperidone - EP Impurity D
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• Impurity: Domperidone - EP Impurity D
• Chemical Name: 5-chloro-3-[3-(2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)propyl]-1-[1-[3-(2-oxo-2,3dihydro1Hbenzimidazol1yl)propyl]piperidin-4-yl]-1,3-dihydro-2H-benzimidazol-2-one

• Domperidone - EP Impurity E
• 
• Impurity: Domperidone - EP Impurity E
• Chemical Name: 1-[3-[4-(5-chloro-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)piperidin-1-yl]propyl]-3-[3-(2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)propyl]-1,3-dihydro-2H-benzimidazol-2-one

• Domperidone - EP Impurity F
• 
• Impurity: Domperidone - EP Impurity F
• Chemical Name: 1,3-bis[3-[4-(5-chloro-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)piperidin-1-yl]propyl]-1,3- dihydro-2H-benzimidazol-2-o