L-PHENYLALANINE-N-FMOC (13C9,15N) is an isotopically labeled, Fmoc-protected phenylalanine derivative in which the α-amino group is carbamated with the fluorenylmethoxycarbonyl (Fmoc) protecting group and the side chain retains the benzyl aromatic functionality characteristic of phenylalanine. The molecule bears a free carboxylic acid group and an Fmoc-protected nitrogen, with isotopic enrichment indicated by (13C9,15N) and stereochemistry consistent with the L-labeled amino acid form named in the product identity. In peptide chemistry and chemical biology, it is employed as a protected amino acid building block for stepwise peptide assembly and as a labeled precursor for mass spectrometry-based quantification, isotopic tracing, or structural analysis of peptide and protein samples containing phenylalanine residues.
CAT No: L-Iso-0505
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