Amlodipine EP Impurity F Catalogue A236736 CAS 400024-11-5 M.W 394.85 116.07 M.F C19H23ClN2O5. C4H4O4 Specifications FAQs CAS:140171-66-0 (free base)Synonyms:dimethyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate