Fmoc-3-Amino-3-(3-fluorophenyl)-propionic acid is widely used in peptide synthesis as a building block. Its Fmoc (fluorenylmethyloxycarbonyl) protecting group allows for selective deprotection, making it valuable in solid-phase peptide synthesis. The compound is particularly useful in creating peptides with specific fluorinated aromatic side chains, which can enhance the biological activity or stability of the peptide. It is also employed in medicinal chemistry for designing drug candidates, especially in the development of enzyme inhibitors or receptor ligands, where the fluorine atom can improve binding affinity or metabolic stability. Additionally, it finds application in biochemical research for studying protein-protein interactions and designing peptide-based probes or markers.