This compound is primarily utilized in research and analytical chemistry as an internal standard for mass spectrometry. It aids in the accurate quantification of metabolites in biological samples, particularly those derived from the metabolic pathways involving aromatic hydrocarbons. Its deuterated form enhances precision in trace analysis by minimizing interference from non-deuterated species. Additionally, it is employed in studies focused on understanding the detoxification processes of xenobiotics in the human body, providing insights into metabolic pathways and potential biomarkers for exposure assessment.