[13C3,15N]-Cys-glutathione

[13C3,15N]-Cys-glutathione is a stable isotopically labeled compound, which is used as a research tool in proteomics, metabolomics, and other biochemical studies. It is a modified form of glutathione, which is a tripeptide composed of glutamate, cysteine, and glycine. In [13C3,15N]-Cys-glutathione, three carbon atoms and one nitrogen atom are replaced with their stable isotopes, which makes it easily distinguishable from its natural form. This labeled compound is used for various analytical purposes, including mass spectrometry-based analysis, NMR spectroscopy, and other biochemical assays. It is often used as an internal standard for quantification of glutathione and its metabolites in biological samples. It also helps in the identification and characterization of metabolic pathways involving glutathione. In terms of chemical information, [13C3,15N]-Cys-glutathione has a molecular weight of 368.4 g/mol and a molecular formula of C13H22N3O6S. The isotopic labeling of the compound does not affect its chemical properties or biological activity, making it an ideal tool for metabolic studies. Overall, [13C3,15N]-Cys-glutathione is a valuable research tool in the fields of biochemistry and metabolomics, providing researchers with a reliable means to quantify and study the metabolism of glutathione and related compounds.