Enalaprilat is an angiotensin-converting enzyme inhibitor, ACE, and the enalapril active metabolite which treats hypertension. It also treats congestive heart failure. Enalaprilat is available in brand form as Vasotec and belongs to the drug class Angiotensin-converting enzyme inhibitors. It can be taken alone or with other diuretics or antihypertensive. Enalaprilat acts by relaxing the blood vessels that, as a result, lowers the blood pressure.