L-METHIONINE (13C5,D8,15N) is an isotopically labeled, proteinogenic amino acid belonging to the thioether-containing methionine family, featuring the standard amino acid backbone with a side chain bearing a thioether (methylthio) group. The molecule contains an amino functional group and a carboxyl functional group while incorporating carbon-13, deuterium, and nitrogen-15 isotopes at positions consistent with the labeled methionine framework, preserving the stereochemical identity implied by the "L-" designation. As an isotopic tracer and analytical standard, it is used in amino acid profiling, peptide and protein labeling workflows, and quantitative mass spectrometry or NMR studies where the labeled methionine side-chain and backbone isotopic signature enable tracking and discrimination of methionine-derived species.
CAT No: L-Iso-0429
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