L-ALANINE-N-FMOC (13C3,15N) is an isotopically labeled, protected amino acid derivative in which L-alanine bears an N-Fmoc (9H-fluoren-9-ylmethoxycarbonyl) carbamate protecting group on the amino functionality, with the backbone carbon and nitrogen atoms enriched as indicated by (13C3,15N). The molecule retains the free carboxylic acid group and contains a methyl side chain characteristic of alanine, while the Fmoc group masks the α-amino group to control chemoselectivity during stepwise peptide assembly. In synthesis and analytical workflows, the labeled, protected alanine is used as a building block for preparing peptides or peptide-related intermediates and as an isotopic tracer for mass spectrometry-based studies of incorporation and labeling patterns.
CAT No: L-Iso-0045
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