Used as a stable isotope-labeled compound in nuclear magnetic resonance (NMR) spectroscopy, enabling researchers to study molecular structures and dynamics with high precision. It serves as a tracer in metabolic studies, helping to track biochemical pathways and understand cellular processes. Applied in environmental research to monitor the fate and transport of organic compounds in ecosystems. Also utilized in the development of labeled pharmaceuticals for drug metabolism and pharmacokinetic studies. Its isotopic purity makes it valuable in quantitative analysis and calibration of analytical instruments.