L-PHENYLALANINE (RING-D5) is a deuterium-labeled, naturally occurring amino acid featuring a benzyl side chain attached to the alpha carbon, where five deuterium atoms are incorporated specifically into the aromatic ring (ring-D5). The molecule contains a free amino group and a free carboxyl group, with the side-chain phenyl ring bearing the isotopic label while maintaining the stereochemical identity indicated by the "L-" designation. L-PHENYLALANINE (RING-D5) is used in isotopic tracing, mass spectrometry-based analytical method development, and chemical biology studies where ring-specific labeling of phenylalanine-derived fragments supports quantification and structural verification during peptide or metabolite analysis.
CAT No: L-Iso-0499
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