Displaying 6 results of Pazopanib Stable Isotopes Pazopanib is a tyrosine kinase inhibitor used to treat advanced renal cell carcinoma and soft tissue sarcoma. Stable isotopes of pazopanib are non-radioactive versions of the drug used in scientific research for drug metabolism studies, pharmacokinetic analysis, and drug-drug interaction studies. These isotopes are chemically identical to the natural compound, making them useful tools for drug development and clinical research.