Used as a labeled compound in research and development, particularly in the field of organic chemistry and pharmaceuticals. It serves as a deuterated reagent for tracing and studying reaction mechanisms, helping to understand metabolic pathways and drug interactions. The deuterium labeling allows for precise tracking in spectroscopic analysis, such as NMR or mass spectrometry, enhancing the accuracy of experimental results. It is also employed in the synthesis of deuterated analogs of active pharmaceutical ingredients for stability and pharmacokinetic studies.