Category
Verapamil
CAS Number
36770-74-8
Alternate CAS Number
36770-75-9(HCl Salt)
Molecular Formula
C₁₄H₂₂ClNO₂
Molecular Weight
271.78 g/mol
Synonym

3-Chloro-N-[2-(3,4-dimethoxyphenyl)ethyl]-N-methylpropan-1-amine; N-(3-Chloropropyl)-3,4-dimethoxy-N-methylbenzeneethanamine; N-Methyl-N-(3-chloropropyl)homoveratrylamine; 3-Chloro-N-(3,4-dimethoxyphenethyl)-N-methylpropan-1-amine

Keywords
Intermediates
Pharmaceutical Standards
Aromatics
Fine Chemicals
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Verapamil EP Impurity D refers to a specified related substance of verapamil described in the European Pharmacopoeia (EP). It is a structurally related compound that can form during synthesis, degradation, or storage of verapamil. This impurity is monitored during pharmaceutical quality control to ensure the safety, purity, and regulatory compliance of verapamil drug substances and formulations, typically using chromatographic methods such as HPLC.