This chemical is primarily used in peptide synthesis as a protected amino acid derivative. It serves as a building block for constructing complex peptides, where the fluorenylmethoxycarbonyl (Fmoc) group acts as a protecting group for the amine functionality during the synthesis process. The allyl ester moiety provides additional protection for the carboxyl group, allowing selective deprotection in multi-step reactions. Its application is crucial in solid-phase peptide synthesis (SPPS), enabling the production of peptides with high purity and specificity for use in pharmaceuticals, biochemical research, and drug development. The compound’s design ensures efficient and controlled assembly of peptide chains, making it valuable in the development of therapeutic peptides and protein-based drugs.