Used in the synthesis of labeled compounds for research purposes, particularly in the study of metabolic pathways and environmental fate of chemicals. It serves as a deuterated analog in mass spectrometry and NMR spectroscopy to improve analytical accuracy and traceability. Applied in pharmaceutical development to investigate drug metabolism and pharmacokinetics, providing insights into the behavior of active ingredients. Also utilized in agricultural chemistry for the development of herbicides and pesticides, aiding in the understanding of their degradation and environmental impact.