Ramipril (CAS No. 87333-19-5) is a synthetic angiotensin-converting enzyme (ACE) inhibitor with the molecular formula C₂₃H₃₂N₂O₅ and molecular weight of 416.52 g/mol. It is a specialty pharmaceutical chemical used primarily in the treatment of high blood pressure (hypertension), helping reduce the risk of heart attack, stroke, and kidney problems by relaxing blood vessels and allowing blood to flow more easily. It is also prescribed after heart attacks to improve survival and reduce strain on the heart. In patients with heart failure or diabetic kidney disease, Ramipril slows disease progression and provides protective effects on the cardiovascular system. Available at 98% purity for research and pharmaceutical applications.