L-LEUCINE-N-FMOC (13C6; 15N) is a labeled, protected amino acid derivative in which L-leucine is functionalized at the amino group with an Fmoc (9H-fluoren-9-ylmethoxycarbonyl) protecting group and enriched with 13C6 and 15N isotopes. The molecule retains a free carboxyl group and a hydrophobic isobutyl side chain typical of leucine, while the Fmoc carbamate masks the α-amino functionality to control chemoselectivity during stepwise assembly. It is used as an isotopically labeled building block for peptide synthesis and for preparing mass spectrometry- or NMR-based analytical standards and labeled peptide/protein fragments in structural and chemical biology studies.
CAT No: L-Iso-0377
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