Used in peptide synthesis as a protected amino acid building block, particularly in solid-phase synthesis. The azido group allows for selective reduction to an amine, enabling further coupling or cyclization reactions. The fluorenylmethoxycarbonyl (Fmoc) group provides temporary N-terminal protection and is easily removed under mild basic conditions, making it compatible with a wide range of side-chain protecting groups. This compound is valuable in the preparation of modified peptides and peptidomimetics, especially in research targeting bioorthogonal reactions or click chemistry applications.