This chemical is primarily used in peptide synthesis as a protected amino acid derivative. The fluorenylmethoxycarbonyl (Fmoc) group serves as a protective group for the amine functionality, allowing selective deprotection during solid-phase peptide synthesis. It is particularly valuable in the synthesis of complex peptides and proteins, where precise control over the sequence and structure is required. The hydroxyl group on the phenyl ring can also participate in further functionalization or interactions, making it useful in designing peptides with specific biological activities. Its application is common in pharmaceutical research, drug development, and biochemical studies involving peptide-based therapeutics.