DL-LYSINE:HCL:H2O (ALPHA-15N) is a labeled lysine hydrochloride hydrate in which the amino acid backbone is enriched with 15N at the alpha position, corresponding to DL-lysine as a free amino acid salt. The molecule contains both an alpha-amino group and a carboxyl group, with the ε-amino side chain protonated under hydrochloride conditions to provide a strongly basic functionality, while the HCl and water form a salt hydrate associated with the ionic amino acid. As an isotopically labeled amino acid salt, it is used in peptide and protein labeling workflows, isotopic tracing, and analytical method development where alpha-15N incorporation or mass-dependent detection of lysine-derived fragments is required.
CAT No: L-Iso-0415
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