Used primarily as a key intermediate in peptide synthesis, especially in solid-phase peptide synthesis (SPPS). Its fluorenylmethoxycarbonyl (Fmoc) group acts as a protecting group for the amino function, allowing selective deprotection under mild basic conditions without affecting other sensitive functional groups. The chlorophenyl substituent provides steric and electronic properties that enhance coupling efficiency and stereocontrol during peptide bond formation. Commonly employed in the preparation of complex peptides and peptidomimetics for pharmaceutical research, including drug discovery and development of bioactive molecules. Its structure supports high purity and yield in automated synthesis protocols.