Displaying 10 results of Exemestane Stable Isotopes Exemestane Stable Isotopes are isotopically labeled versions of the drug Exemestane, which is used to treat breast cancer in postmenopausal women. These stable isotopes can be used in research and development to study the pharmacokinetics and metabolism of Exemestane, as well as to monitor its distribution in biological systems. The use of stable isotopes in drug development is becoming increasingly important for understanding drug interactions and improving drug efficacy.