Displaying 6 results of Sunitinib Stable Isotopes Sunitinib is a small molecule drug used in the treatment of cancer. Stable isotopes of Sunitinib are non-radioactive forms of the drug that are used in research and development. These isotopes have the same chemical properties as the regular drug, but they are labeled with specific isotopes to allow for tracking and analysis in studies. They are useful in investigating pharmacokinetics, metabolism, and drug interactions.