This chemical is primarily used in peptide synthesis as a protecting group for amino acids. The fluorenylmethoxycarbonyl (Fmoc) group shields the amino functionality during the peptide chain assembly process, preventing unwanted reactions. It is particularly valuable in solid-phase peptide synthesis (SPPS), where it allows for the stepwise addition of amino acids. The Fmoc group can be selectively removed under mild basic conditions, ensuring the integrity of the growing peptide chain. Its application is crucial in the production of peptides for pharmaceuticals, research, and biotechnology, enabling the synthesis of complex and biologically active peptides with high precision.