This chemical is primarily used in peptide synthesis as a protected amino acid derivative. Its fluorenylmethoxycarbonyl (Fmoc) group serves as a protecting group for the amino functionality, allowing selective deprotection during solid-phase peptide synthesis. The compound is particularly valuable in the synthesis of complex peptides and proteins, where precise control over amino acid coupling is essential. Its structure, featuring a cyanophenyl group, can also be leveraged to introduce specific properties into the peptide, such as enhanced stability or unique interactions with biological targets. Additionally, it may be employed in the development of peptide-based drugs, where the Fmoc group ensures efficient and controlled assembly of peptide chains.