Several examinations using HPLC for determination of captopril in
bulk drug substances and their formulations have been reported [22].
Direct Determination of Four ACE-Inhibitors Lisinopril, Enalapril,
Captopril and Fosinopril in Pharmaceuticals and Serum by HPLC
separation of the analysts was achieved by gradient RP-HPLC with the
mobile phase composed as acetonitrile: water (60:40 v/v) adjusted to