L-METHIONINE (1-13C) is an isotopically labeled, naturally occurring amino acid derivative in which the methionine side chain contains a 13C label at the position indicated by "(1-13C)," while retaining the canonical amino acid backbone. The molecule bears a free α-amino group and a free α-carboxyl group along with a thioether-containing side chain characteristic of methionine, providing a sulfur functional group that can participate in chemical derivatization and redox-relevant transformations under appropriate conditions. As a stable-isotope tracer, L-METHIONINE (1-13C) is used in isotopic labeling and analytical method development to follow incorporation, quantify labeling patterns, or enable mass spectrometric and NMR-based studies of amino acid handling in chemical biology and peptide/protein-related workflows.
CAT No: L-Iso-0423
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