This compound is primarily used in peptide synthesis as a protecting group for amino acids. The fluorenylmethoxycarbonyl (Fmoc) group protects the amino group during the synthesis process, preventing unwanted reactions. It is particularly valuable in solid-phase peptide synthesis (SPPS), where it allows for the stepwise addition of amino acids to build peptides with high precision. The Fmoc group can be easily removed under mild basic conditions, enabling the deprotection of the amino group without affecting the rest of the peptide chain. This makes it a crucial reagent in the production of peptides for research, pharmaceuticals, and biotechnology applications.