Used as a deuterated building block in the synthesis of labeled pharmaceutical compounds, enabling the study of drug metabolism and pharmacokinetics through isotopic tracing. It serves as a key intermediate in the development of deuterated analogs of active pharmaceutical ingredients, enhancing their stability and efficacy. Applied in NMR spectroscopy as a labeled probe to investigate molecular structures and dynamics. Also utilized in research focused on neurochemical studies, particularly in the synthesis of deuterated derivatives of neurotransmitters or related compounds. Its incorporation into complex molecules aids in reducing metabolic degradation, improving the half-life of therapeutic agents.