This chemical is widely used in peptide synthesis, particularly in solid-phase peptide synthesis (SPPS). It serves as a protected amino acid derivative, where the Fmoc (fluorenylmethyloxycarbonyl) group protects the amine functionality, and the Boc (tert-butyloxycarbonyl) group protects the side-chain amine. This dual protection allows for selective deprotection during the synthesis process, enabling the construction of complex peptides with high precision. It is especially valuable in the synthesis of peptides containing phenylalanine derivatives, which are essential in drug development, biochemical research, and the production of therapeutic peptides. Its stability and compatibility with SPPS protocols make it a reliable building block for synthesizing peptides with specific structural and functional properties.