Used in research and development as a labeled compound for tracing and studying metabolic pathways in biological systems. It serves as a stable isotope-labeled internal standard in mass spectrometry, enhancing the accuracy of quantitative analysis in environmental and biochemical studies. Applied in the synthesis of deuterated analogs of organic molecules for pharmaceutical and agrochemical research, aiding in the investigation of drug metabolism and degradation processes. Also utilized in NMR spectroscopy to provide insights into molecular structures and dynamics due to its deuterium substitution.