Used as a key chiral intermediate in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) that require high enantiomeric purity. Its structure supports the formation of complex molecules in central nervous system agents and enzyme inhibitors. Commonly employed in medicinal chemistry for building blocks in drug discovery due to its functional handles—the hydroxymethyl and carboxylate groups—which allow for further chemical modifications. Also utilized in the preparation of prodrugs and in asymmetric synthesis where stereochemistry plays a critical role in biological activity.