This chemical is primarily used in the field of peptide synthesis, where it serves as a protected amino acid derivative. The fluorenylmethoxycarbonyl (Fmoc) group acts as a protecting group for the amine functionality, allowing for selective deprotection during the synthesis process. It is particularly valuable in solid-phase peptide synthesis (SPPS), enabling the stepwise construction of peptides with high precision. The tert-butyl group on the phenyl ring provides additional steric protection, enhancing the stability of the intermediate during reactions. Its application is critical in producing complex peptides for pharmaceutical research, drug development, and biochemical studies.