Displaying 2 results of Ripretinib Stable Isotopes Ripretinib is a medication used to treat gastrointestinal stromal tumors (GIST) that are not responding to other treatments. Stable isotopes of ripretinib are used in pharmacokinetic studies, bioanalytical assays, and metabolic labeling experiments. These isotopes have the same chemical properties as the non-labeled compound but differ in their atomic mass, making them useful in a variety of research applications.