This chemical is primarily used in peptide synthesis as a protecting group for amino acids. The fluorenylmethoxycarbonyl (Fmoc) group attached to the amino acid prevents unwanted reactions during the peptide chain assembly process. 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, making it a preferred choice for synthesizing complex peptides and proteins. Its application is crucial in pharmaceutical research, biotechnology, and the development of therapeutic peptides.