Verapamil
CAS Number
52-53-9Synonym
Iproveratril; Isoptin; Calan; Cordilox; Dilacoran
Occurrence/Use
Calcium channel blocker that is a class IV anti-arrhythmia agent; Also an inhibitor of the drug efflux pump P-glycoprotein which is overexpressed in some multi-drug resistant tumors and may improve the efficacy of some antineoplastic agents