Displaying 1 results of Temazepam Stable Isotopes Temazepam stable isotopes refer to non-radioactive isotopes of Temazepam, a medication used to treat insomnia and anxiety disorders. The stable isotopes of Temazepam are used in research and development of new drugs, in pharmacokinetic studies, and in forensic toxicology. These isotopes have the same chemical properties as the naturally occurring Temazepam, but differ in their atomic mass.