Used primarily in research and development, particularly in the field of pharmacology, as a labeled compound for studying metabolic pathways and drug interactions. Its deuterated form enhances its utility in mass spectrometry and NMR spectroscopy, allowing for precise tracking and analysis in biological systems. It also serves as a reference standard in analytical chemistry for ensuring accuracy in the quantification of similar compounds. Additionally, it aids in the development of new therapeutic agents by providing insights into the behavior of structurally related molecules.