Used as an intermediate in organic synthesis, particularly in the preparation of pharmaceuticals and fine chemicals. Its amine functionality allows for peptide coupling and the formation of amide bonds, making it valuable in drug development. Commonly employed in the synthesis of beta-alanine derivatives and prodrugs, where the tert-butyl ester serves as a protecting group for the carboxylic acid, enabling selective reactions at the amine site. Also utilized in the creation of biologically active molecules, including enzyme inhibitors and receptor agonists/antagonists. Its hydrochloride salt form improves stability and solubility in aqueous environments, facilitating handling and reaction in polar solvents.