Amlodipine EP Impurity D HCl Catalogue A236734 CAS 2414962-06- M.W 406.86 36.46 M.F C20H23ClN2O5. HCl Specifications FAQs 3-ethyl 5-methyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methylpyridine-3,5-dicarboxylate