This compound is primarily used in research and development, particularly in the field of antiviral studies. It serves as a stable isotope-labeled internal standard in mass spectrometry-based assays for the quantification of antiviral drugs in biological samples. Its application is crucial for ensuring accuracy and precision in pharmacokinetic and pharmacodynamic studies, aiding in the development and optimization of antiviral therapies. Additionally, it is utilized in metabolic studies to track drug distribution and degradation pathways, providing insights into drug efficacy and safety profiles.