Captopril EP Impurity D with CAS No: 56970-78-6 is an impurity standard of Captopril. Chemically, it is a sulfhydryl-containing compound. Captopril works by inhibiting ACE, an enzyme that plays a role in regulating blood pressure by converting angiotensin I to angiotensin II. By reducing angiotensin II levels, captopril dilates blood vessels, lowers blood pressure, and improves cardiac function. It is typically administered orallyCaptoprils chemistry involves its unique structure with a sulfhydryl group, essential for its pharmacological activity as an ACE inhibitor. Buy high quality Captopril EP Impurity D from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Captopril EP Impurity D