Used as a deuterated internal standard in mass spectrometry and NMR spectroscopy for accurate quantification and structural analysis of organic compounds. Its fully deuterated methyl groups provide distinct mass shifts, enabling clear differentiation from non-deuterated analogs in complex mixtures. Commonly applied in metabolic studies, reaction mechanism tracing, and isotopic labeling experiments where high chemical purity and isotopic integrity are critical. Stable under typical storage and analytical conditions, it supports reproducible results in analytical method development and validation.