Displaying 2 results of Papaverine Stable Isotopes Papaverine is a benzylisoquinoline alkaloid found in the opium poppy plant. It is commonly used as a smooth muscle relaxant and vasodilator in the treatment of conditions such as erectile dysfunction, Raynaud's disease, and cerebral vasospasm. Papaverine Stable Isotopes refer to isotopically labeled versions of the compound which are used in research to study the mechanisms of action and metabolism of papaverine. These isotopes provide a valuable tool for investigating the pharmacokinetics and pharmacodynamics of the drug, and can also be used in diagnostic imaging applications.