Used primarily in pharmacological research to study the metabolism and excretion of gemfibrozil, a lipid-lowering agent. It serves as a key metabolite in understanding the pharmacokinetics and bioavailability of gemfibrozil in the human body. Additionally, it is utilized in the development of analytical methods for detecting and quantifying gemfibrozil and its metabolites in biological samples, aiding in therapeutic drug monitoring and ensuring patient safety. This compound is also important in investigating drug-drug interactions and the role of glucuronidation in drug metabolism.