L-PHENYLALANINE (D8; 15N) is an isotopically labeled, proteinogenic amino acid featuring the α-amino and α-carboxyl groups of phenylalanine alongside a hydrophobic benzyl side chain, with deuterium incorporation at the phenylalanine framework and a 15N label on the amino nitrogen. The labeled molecule retains the free amino acid functionality (not protected), and the isotopic substitution enables mass-dependent analytical behavior while preserving the stereochemical identity implied by the "L" designation. L-PHENYLALANINE (D8; 15N) is used in isotopic tracing, quantitative LC-MS or GC-MS method development, and chemical biology studies where phenylalanine incorporation, turnover, or labeling patterns are monitored by the mass shift from the D8 and 15N isotopes.
CAT No: L-Iso-0495
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