Used primarily in peptide synthesis as a protecting group for amino acids. It helps in the stepwise construction of peptides by preventing unwanted reactions at specific sites. The fluorenylmethoxycarbonyl (Fmoc) group can be easily removed under mild basic conditions, making it highly suitable for solid-phase peptide synthesis. This compound is essential in the production of complex peptides and proteins for research, pharmaceuticals, and biotechnology applications. Its stability and selective deprotection properties ensure high efficiency and purity in peptide synthesis processes.