Enalapril Maleate
DESCRIPTION Enalapril Maleate is the maleate salt of enalapril, the ethyl ester of a long-acting angiotensin-converting enzyme inhibitor, enalaprilat. Enalapril maleate is chemically described as (S)-1-[ N -[1-(ethoxycarbonyl)-3-phenylpropyl]-L-alanyl]-L-proline, (Z) -2-butenedioate salt (1:1). 53.
It is sparingly soluble in water, soluble in ethanol, and freely soluble in methanol. Enalapril is a pro-drug; following oral administration, it is bioactivated by hydrolysis of the ethyl ester to enalaprilat, which is the active angiotensin-converting enzyme inhibitor. 5 mg, 5 mg, 10 mg, and 20 mg tablets for oral administration.
In addition to the active ingredient enalapril maleate, each tablet contains the following inactive ingredients: lactose monohydrate, magnesium stearate, pregelatinized starch and sodium bicarbonate. 5 mg, 5 mg and 20 mg tablets also contain iron oxide yellow, and the 20 mg tablets also contain iron oxide red.
