Displaying 2 results of Clomipramine Stable Isotopes Clomipramine is a tricyclic antidepressant drug that is used to treat obsessive-compulsive disorder (OCD). Clomipramine Stable Isotopes are isotopically labeled forms of this drug, which can be used in pharmacokinetic and pharmacodynamic studies. These stable isotopes have the same chemical properties as the non-labeled drug and can be used as internal standards to accurately measure drug concentrations in biological samples.