Used in research and development as a labeled compound in pharmacokinetic and metabolic studies. It helps in tracing and understanding the behavior of pelitinib in biological systems. Applied in the development of targeted cancer therapies, particularly for non-small cell lung cancer. Assists in identifying drug interactions and metabolic pathways. Employed in analytical methods like mass spectrometry for precise quantification in biological samples. Supports the evaluation of drug efficacy and safety profiles in preclinical studies.