L-PHENYLALANINE (2,3-13C2; 15N) is an isotopically labeled, naturally occurring amino acid in which the phenylalanine side chain and backbone nitrogen are enriched with 13C at the 2 and 3 positions and 15N, respectively, while the molecule retains the standard amino acid scaffold with a benzyl side chain. The structure contains a free amino group and a carboxyl group alongside the aromatic benzyl side chain, with the labeled atoms positioned to support tracer-based studies without changing the core chemical functionality associated with phenylalanine. L-PHENYLALANINE (2,3-13C2; 15N) is used as a substrate or reference material in isotopic tracing, mass spectrometry-based analytical method development, and peptide or protein labeling workflows where incorporation or detection of the isotopic signature is required.
CAT No: L-Iso-0486
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