Used primarily as a chiral building block in the synthesis of fine chemicals and pharmaceuticals. Its reactivity as an epoxide allows ring-opening reactions with nucleophiles, enabling the production of enantiomerically pure intermediates. Commonly employed in the manufacture of specialty surfactants, lubricants, and functional fluids where optical activity influences performance. Also utilized in asymmetric synthesis for drugs requiring specific stereochemistry, contributing to the development of active pharmaceutical ingredients with improved efficacy and reduced side effects.