Used in the synthesis of deuterium-labeled compounds for research and analytical purposes, particularly in nuclear magnetic resonance (NMR) spectroscopy and mass spectrometry. It serves as a stable isotope-labeled building block in the development of pharmaceuticals, enabling the study of drug metabolism and pharmacokinetics. Also employed in organic chemistry research to trace reaction mechanisms and pathways. Its deuterium labeling aids in reducing background noise in spectroscopic analyses, improving the accuracy of experimental results.