Used in pharmaceutical research as a labeled compound for metabolic studies, enabling the tracking of drug pathways and mechanisms in biological systems. It serves as a building block in the synthesis of deuterated drugs, improving the stability and efficacy of pharmaceutical products. Additionally, it is utilized in analytical chemistry as a reference standard for mass spectrometry and NMR spectroscopy, aiding in the accurate identification and quantification of substances. Its isotopic labeling makes it valuable in pharmacokinetic and pharmacodynamic studies, providing insights into drug behavior in vivo.