L-ASPARAGINE-N-FMOC (13C4,15N2) is an isotopically labeled, Fmoc-protected amino acid derivative in which asparagine bears an N-(9H-fluoren-9-ylmethoxycarbonyl) protecting group on the α-amino nitrogen while the side chain contains a terminal amide functionality characteristic of asparagine. The molecule contains an α-carboxylic acid and an Fmoc-protected α-amino group, and its labeling pattern (13C4,15N2) provides defined heavy isotopes for mass spectrometric detection and isotopic tracing while preserving the stereochemical identity indicated by the "L" designation. As an Fmoc-protected amino acid building block, it is used in stepwise peptide synthesis workflows and in analytical or chemical biology studies where isotopic incorporation into peptides or peptide fragments enables quantitative LC-MS or related labeling-based characterization.
CAT No: L-Iso-0113
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