L-PHENYLALANINE (RING-13C6) is an isotopically labeled, naturally occurring amino acid featuring a benzyl side chain attached to the α-carbon and an aromatic ring bearing six 13C atoms. The molecule contains a free α-amino group and a free carboxyl group, and its labeled phenyl ring provides a defined isotopic handle for NMR and mass spectrometric tracking while maintaining the stereochemical identity implied by the "L-" designation. In biochemical and analytical workflows, it is used as a stable-isotope tracer or reference material to study amino acid incorporation, peptide and protein labeling patterns, and isotopologue-resolved quantification by isotope ratio techniques.
CAT No: L-Iso-0475
1. Myotropic activity of allatostatins in tenebrionid beetles
4. Adipose tissue is a key organ for the beneficial effects of GLP-2 metabolic function
5. Autoinhibition and phosphorylation-induced activation of phospholipase C-γ isozymes
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