Displaying 4 results of Carisoprodol Stable Isotopes Carisoprodol Stable Isotopes are non-radioactive forms of the muscle relaxant drug Carisoprodol. These isotopes have the same chemical properties as the regular Carisoprodol, but with different atomic masses. They are useful in pharmacokinetic studies, drug metabolism research, and clinical trials. Carisoprodol Stable Isotopes are also used in forensic and toxicology analysis.