L-ASPARAGINE-N-FMOC, N-BETA-TRITYL (13C4; 15N2) is a protected, isotopically labeled amino acid derivative of L-asparagine in which the α-amino group is protected as an N-β-trityl carbamate and the α-carboxyl functionality is masked as an Fmoc-protected group, while the asparagine side chain remains as a primary amide. The molecule contains the isotopic labels 13C4 and 15N2 distributed over the asparagine backbone and amide-containing side chain, and its protected amine/carboxyl pattern provides chemoselectivity by preventing unprotected nucleophilic participation during peptide coupling steps. In synthetic peptide chemistry and analytical method development, the labeled, orthogonally protected asparagine analogue is used as a building block for preparing labeled peptides and as a reference for mass spectrometric or NMR-based tracking of incorporation at the asparagine position.
CAT No: L-Iso-0115
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