L-PHENYLALANINE-N-FMOC (1-13C) is a protected, isotopically labeled amino acid derivative in which L-phenylalanine bears an N-(9-fluorenylmethoxycarbonyl) (Fmoc) protecting group on the amino functionality and a 13C label at the amino-acid carbon position indicated by "(1-13C)." The molecule retains the free carboxylic acid group and the benzyl side chain characteristic of phenylalanine, while the Fmoc carbamate masks the alpha-amino group to control chemoselectivity during stepwise peptide assembly. In synthesis and analytical workflows, the labeled, protected phenylalanine analogue is used as a building block for incorporating the isotopic marker into peptides or peptide-related intermediates and as a reference material for LC-MS or NMR-based labeling studies.
CAT No: L-Iso-0504
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4. An Open-label, Single-center, Safety and Efficacy Study of Eyelash Polygrowth Factor Serum
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