Used as a chiral building block in organic synthesis, particularly in the preparation of carbohydrates, nucleosides, and other biologically active molecules. Its rigid cyclic structure and defined stereochemistry make it valuable for constructing stereoselective intermediates in pharmaceuticals and fine chemicals. Commonly employed in the synthesis of antiviral and anticancer agents due to its ability to mimic sugar moieties in nucleoside analogs. Also utilized in the development of specialty polymers and asymmetric catalysts where stereocontrol is critical.