3’-Hydroxy Stanozolol-d3 is primarily used in analytical chemistry and research settings as an internal standard or reference compound. It is particularly valuable in mass spectrometry and chromatography for the accurate quantification and detection of stanozolol and its metabolites in biological samples. This compound aids in ensuring precision and reliability in studies related to doping control, forensic analysis, and pharmacokinetic research. Its deuterated form enhances analytical sensitivity, making it a critical tool for distinguishing between endogenous and exogenous substances in complex matrices.