Used primarily in research and analytical laboratories, this compound serves as an internal standard in mass spectrometry for the quantification of 9(S)-HODE, a biomarker of lipid peroxidation. It aids in studying oxidative stress and inflammation-related diseases by providing accurate and reliable measurements. Its deuterated structure ensures minimal interference with the analysis, enhancing precision in metabolic and lipidomic studies. It is particularly valuable in exploring pathways involving arachidonic acid metabolism and its role in cellular processes.