L-HISTIDINE (RING-PI-15N) (<5% D) is an isotopically labeled natural amino acid in the histidine family, featuring an imidazole side chain and a primary amino group and carboxyl group characteristic of α-amino acids. The molecule bears a ring-labeled 15N atom within the imidazole ring (ring-15N), with stereochemistry consistent with the L-amino acid form as indicated by the product name and with deuterium present at less than 5% as specified. L-HISTIDINE (RING-PI-15N) (<5% D) is used in isotopic tracing, NMR/IR and mass spectrometric method development, and peptide or protein labeling workflows where incorporation of a histidine residue with an imidazole-ring nitrogen label supports structural and mechanistic studies.
CAT No: L-Iso-0304
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