Amlodipine hydrochloride, (R)-, is a medication used to lower blood pressure and prevent chest pain. It belongs to a group of medications known as dihydropyridine-type calcium channel blockers. By widening of blood vessels it lowers blood pressure. In angina, amlodipine increases blood flow to the heart muscle to relieve pain due to angina.
O-Des[2-aminoethyl]-O-carboxymethyl dehydroamlodipine is a major metabolite of the calcium channel inhibitor amlodipine .1 1.Taguchi, R., Naito, T., Sato, H., et al.Validated LC-MS/MS method for the simultaneous determination of amlodipine and its major metabolites in human plasma of hypertensive patientsTher. Drug Monit.39(6)625-631(2017)