Displaying 5 results of Azacitidine Stable Isotopes Azacitidine Stable Isotopes are non-radioactive forms of azacitidine, a medication used in the treatment of certain types of cancer. These stable isotopes have the same chemical and physical properties as the regular form of the drug, but their atoms have different numbers of neutrons. They are useful in research studies to track the metabolism and distribution of the drug in the body.