DL-LYSINE:2HCL (EPSILON-15N) is a deuterated, isotopically labeled lysine derivative provided as the dihydrochloride salt, featuring the aliphatic amino acid backbone with a side-chain ε-amino group and an isotopic 15N label on the lysine ε-position. The molecule contains two amino functionalities (α-amino and ε-amino) and a carboxyl group, while the dihydrochloride form protonates the basic nitrogens to form chloride salts and the ε-15N labeling enables position-specific tracking in NMR and mass spectrometric analyses. As a labeled lysine salt, it is used in isotopic tracing, peptide or protein labeling workflows, and analytical method development where controlled incorporation or detection of the ε-nitrogen label is required.
CAT No: L-Iso-0410
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