Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the production of beta-amino acids and derivatives. Commonly employed in the development of protease inhibitors and other bioactive molecules due to its stereochemical purity. Its hydrochloride salt form enhances stability and solubility in aqueous reaction media, making it suitable for peptide coupling and asymmetric synthesis. Also utilized in the preparation of intermediates for drugs targeting neurological and cardiovascular conditions.