L-LYSINE:2HCL (ALPHA-15N) is an isotopically labeled free amino acid salt in which L-lysine is present as a dihydrochloride, with the nitrogen atoms enriched to the 15N isotope. The molecule contains an α-amino group and an α-carboxyl group, and its lysine side chain terminates in a ε-amine that can be protonated under acidic conditions, while the 2HCl counterions balance the overall charge of the salt form. This labeled lysine derivative is used in isotopic tracing, NMR/IR and mass spectrometric analytical method development, and peptide or protein labeling workflows where incorporation of an 15N-containing lysine residue or side-chain nitrogen environment is required.
CAT No: L-Iso-0406
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