L-LEUCINE-N-T-BOC:H2O (5,5,5-D3) is a protected amino acid derivative consisting of L-leucine bearing an N-tert-butoxycarbonyl (N-Boc) protecting group and a deuterium-labeled side chain at the 5-position (5,5,5-D3), with the molecule present as a hydrate. The amino acid core retains a free carboxylic acid functionality while the α-amino group is carbamated as the Boc-protected nitrogen, and the tert-butyl carbonate masks the amine to reduce undesired side reactions during stepwise coupling chemistry. This isotopically labeled, protected leucine analogue is used in peptide synthesis workflows and analytical method development where deuterium incorporation supports mass-based tracking, isotopic labeling studies, or structural characterization of leucine-containing intermediates and derivatives.
CAT No: L-Iso-0387
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