Spirapril Hydrochloride and its Impurities

Spirapril Hydrochloride, sold under the brand name Renormax among others, is an ACE inhibitor antihypertensive drug used to treat hypertension. It belongs to dicarboxy group of ACE inhibitors. Reference standards of Spirapril Hydrochloride API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.