Used primarily in peptide synthesis as a chiral building block, this compound enables the introduction of a protected amino group with defined stereochemistry. The Fmoc group allows for mild base-labile protection, making it compatible with solid-phase peptide synthesis (SPPS). Its carboxylic acid functionality can be activated for amide bond formation, while the chiral center helps control the three-dimensional structure of the resulting peptide. Commonly employed in the preparation of bioactive peptides and peptidomimetics, it supports the development of pharmaceuticals and biochemical probes.