Displaying 5 results of Phenylbutazone Stable Isotopes Phenylbutazone Stable Isotopes are non-radioactive isotopes of Phenylbutazone, a non-steroidal anti-inflammatory drug (NSAID) used for the treatment of pain and inflammation. These stable isotopes have the same chemical and physical properties as the regular isotopes, but can be used for various research and analytical applications such as drug metabolism studies, drug interaction studies, and pharmacokinetic studies. They are commonly used in the pharmaceutical industry for drug development and quality control purposes.