D-METHIONINE (1-13C) is a stable-isotope-labeled, proteinogenic amino acid belonging to the methionine family, featuring a thioether-containing side chain and a backbone bearing both an amino group and a carboxyl group. The molecule is the D stereoisomer of methionine and contains a 13C label at the carbon position indicated by "(1-13C)," while retaining the characteristic thioether functionality of methionine for chemical and spectroscopic differentiation from unlabeled analogues. As an isotopically labeled amino acid, it is used in isotopic tracing, mass spectrometry or NMR-based analytical method development, and peptide or protein labeling workflows where incorporation or detection of the 13C-containing methionine residue is required.
CAT No: L-Iso-0425
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