Product Name: Candesartan cilexetil CAS No.: 145040-37-5 MF: C33H34N6O6 MW: 610.66 Specification: CP2010, USP Appearance: White to off-white crystalline powder. Usage: Ester prodrug; hydrolized in vivo to the active carboxylic acid. Used in treatment of congestive heart failure. Antihypertensive.