This compound is primarily used in metabolic research and studies involving isotopic labeling. It serves as a labeled precursor in tracing metabolic pathways, particularly in the analysis of amino acid metabolism and the Krebs cycle. Its 13C labeling allows for precise tracking and quantification of metabolic intermediates using techniques like NMR spectroscopy or mass spectrometry. Additionally, it is applied in pharmaceutical research to study drug metabolism and the biochemical processes involved in energy production. Its use is critical in understanding cellular respiration and the role of branched-chain amino acids in various biological systems.