Used as a key intermediate in the synthesis of nucleoside analogs, particularly in the preparation of antiviral and anticancer agents. Its protected sugar structure allows selective functionalization at specific positions, making it valuable in carbohydrate chemistry for constructing complex glycosides. Commonly employed in the development of modified nucleosides where precise stereochemistry is required. Also utilized in the synthesis of oligonucleotides and other biologically active molecules requiring a furanose backbone with defined protecting group patterns.