Enalaprilat (dihydrate) (Standard) is the analytical standard of Enalaprilat (dihydrate). This product is intended for research and analytical applications. Enalaprilat dihydrate (MK-422), the active metabolite of the oral proagent Enalapril, is a potent, competitive and long-acting angiotensin-converting enzyme (ACE) inhibitor, with an IC50 of 1.94 nM. Enalaprilat dihydrate can be used for the research of hypertension[1][2][3].