Used in the synthesis of deuterium-labeled compounds for research and development in pharmaceuticals, particularly in the study of drug metabolism and pharmacokinetics. It serves as a key intermediate in the preparation of isotopically labeled analogs of bioactive molecules, aiding in the investigation of their mechanisms of action and pathways. Additionally, it is employed in analytical chemistry as a reference standard in mass spectrometry and NMR studies to ensure accurate identification and quantification of substances. Its deuterated form enhances precision in tracing molecular behavior in complex biological systems.