Displaying 4 results of Imipramine Stable Isotopes Imipramine is a tricyclic antidepressant that is commonly used to treat depression and anxiety disorders. Imipramine Stable Isotopes are a set of isotopically labeled forms of imipramine that are used for pharmacological and toxicological studies. These stable isotopes are useful in determining the metabolism and pharmacokinetics of imipramine, as well as in identifying drug interactions and potential side effects.