This chemical is widely used in peptide synthesis as a protecting group for amines. Its fluorenylmethoxycarbonyl (Fmoc) group is particularly valuable in solid-phase peptide synthesis, where it protects the amine functionality during the coupling of amino acids. The Fmoc group can be easily removed under mild basic conditions, making it a preferred choice for constructing complex peptides. Additionally, its piperidine-3-carboxylic acid structure contributes to its stability and compatibility with various organic solvents, ensuring efficient and selective reactions in peptide chain assembly.