DL-PHENYLALANINE (15N) is a stable-isotope-labeled phenylalanine derivative in which the amino acid backbone contains a 15N label on the amino nitrogen, presented as a DL stereochemical mixture. The molecule features a primary amino group and a carboxylic acid group along with a hydrophobic benzyl side chain, enabling the same fundamental acid-base behavior and side-chain chemistry characteristic of phenylalanine while allowing isotopic discrimination in analytical workflows. It is used in isotopic tracing, mass spectrometry-based quantification, and protein or peptide structural studies where incorporation of a labeled phenylalanine residue or measurement of labeled fragments is required for chemical biology and analytical method development.
CAT No: L-Iso-0484
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