L-PHENYLALANINE-N-FMOC (RING-13C6) is an isotopically labeled, protected amino acid derivative in which phenylalanine is capped with an N-Fmoc protecting group and the aromatic ring bears six 13C atoms. The molecule contains a free carboxyl functional group and an Fmoc-protected amino group, with the side chain retaining a benzyl-type aromatic functionality that can participate in hydrophobic and π-interaction patterns relevant to peptide structure. In peptide chemistry and chemical biology, this labeled, Fmoc-protected building block is used for stepwise incorporation into peptide chains under protected-amino-acid conditions and for analytical or structural studies that benefit from 13C6 ring labeling, such as NMR-based resonance assignment and isotopic tracing of aromatic residues.
CAT No: L-Iso-0509
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