This compound is primarily utilized in research and analytical chemistry as a labeled internal standard for mass spectrometry. Its deuterated structure allows for precise tracking and quantification in complex mixtures, particularly in studies involving quaternary ammonium compounds. It is also employed in the development of analytical methods for detecting and measuring similar compounds in environmental samples, pharmaceuticals, and biological systems. Additionally, it finds application in nuclear magnetic resonance (NMR) spectroscopy as a reference material due to its stable isotopic labeling.