Used in research and development as a labeled compound for metabolic studies, enabling the tracking and analysis of biochemical pathways. It serves as a stable isotope-labeled analog in NMR and mass spectrometry, aiding in the precise detection and quantification of metabolites. Applied in neuroscience to study brain metabolism and neurotransmitter synthesis. Also utilized in pharmaceutical research to investigate drug metabolism and pharmacokinetics, providing insights into drug efficacy and safety.