Used in the synthesis of isotopically labeled compounds for research purposes, particularly in studies involving organic reaction mechanisms and metabolic pathways. It serves as a deuterated building block in the preparation of complex molecules for nuclear magnetic resonance (NMR) spectroscopy, enhancing the clarity and precision of spectral analysis. Additionally, it is employed in the development of pharmaceuticals and agrochemicals where isotopic labeling is essential for tracking and understanding the behavior of active ingredients in biological systems. Its application extends to material science, where it aids in the creation of specialized polymers and advanced materials with tailored properties.