L-LEUCINE-N-FMOC (1-13C) is an isotopically labeled, protected amino acid derivative in which L-leucine bears an N-(9H-fluoren-9-ylmethoxycarbonyl) (Fmoc) protecting group on the amino functionality and a 13C label at the carbon position indicated by the "(1-13C)" designation. The molecule contains both a free carboxylic acid group and an Fmoc-carbamate-protected α-amino group, while the leucine side chain is a hydrophobic isobutyl substituent that influences peptide microenvironment and conformational preferences. In peptide chemistry and chemical biology, the labeled Fmoc-protected leucine is used as a building block for stepwise assembly of peptides and for isotopic labeling strategies that support mass spectrometric analysis, structure-activity studies, and tracing of incorporation in synthetic constructs.
CAT No: L-Iso-0375
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