[13C6]-Regorafenib M-4 metabolite

[13C6]-Regorafenib M-4 metabolite is a stable, isotopically labeled analogue of Regorafenib M-4 metabolite, a major active metabolite of Regorafenib, an oral multikinase inhibitor used for the treatment of metastatic colorectal cancer, gastrointestinal stromal tumors, and liver cancer. The usage of [13C6]-Regorafenib M-4 metabolite lies in its utility as an internal standard in pharmacokinetic and metabolic studies of Regorafenib in vivo. The isotopic labeling allows for accurate quantification and tracking of the drug and its metabolites in biological samples using mass spectrometry techniques. The metabolite is also used as a reference standard in drug development and quality control. Chemically, [13C6]-Regorafenib M-4 metabolite is a derivative of Regorafenib M-4 metabolite, with six carbon atoms in the molecule labeled with the stable isotope carbon-13. The molecular formula of the metabolite is C21H14ClF3N4O3, and its molecular weight is 464.81 g/mol. The metabolite is a yellowish powder that is soluble in water and organic solvents. In summary, [13C6]-Regorafenib M-4 metabolite is a valuable tool in pharmacological research for its precise quantification and tracking of Regorafenib and its metabolites in biological samples. Its chemical properties make it a reliable reference standard in drug development and quality control.