Used as a key intermediate in the synthesis of fluorinated pharmaceuticals, particularly in the development of positron emission tomography (PET) tracers. Its fluorosulfonyl group enables efficient radiolabeling with fluorine-18, making it valuable for creating imaging agents that target specific biological pathways, such as amino acid transport in cancer cells. The compound’s chiral structure supports selective interactions with biological systems, enhancing the accuracy of diagnostic imaging. It is also employed in the preparation of enzyme inhibitors and receptor ligands where precise molecular recognition is required.