L-PHENYLALANINE (3-13C) is an isotopically labeled amino acid belonging to the proteinogenic aromatic amino acid class, featuring a benzyl side chain attached to the α-carbon of the amino acid backbone. The molecule contains a free amino group and a free carboxyl group along with a phenyl ring bearing the 13C label at the position indicated by "3-13C," providing a defined site for 13C NMR or mass spectrometric tracking while retaining the stereochemical designation implied by the L prefix. L-PHENYLALANINE (3-13C) is used as a tracer or analytical standard in isotopic labeling experiments, including metabolic incorporation studies, protein/peptide composition analysis, and chemical biology workflows that require site-specific carbon labeling of phenylalanine-derived fragments.
CAT No: L-Iso-0491
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