Used primarily in peptide synthesis, it serves as a protecting group for amino acids. The compound reacts with the amino group, forming an Fmoc-protected amino acid, which is stable under various reaction conditions. This protection is crucial during the stepwise construction of peptides, allowing selective deprotection without affecting other functional groups. It is widely employed in solid-phase peptide synthesis, enabling the production of complex peptides and proteins. Additionally, it finds use in the synthesis of organic compounds where temporary amine protection is required. Its versatility and efficiency make it a valuable tool in both research and industrial applications.