Used in organic synthesis as a glycosyl donor for the formation of glycosidic bonds, particularly in carbohydrate chemistry. It is valuable for constructing complex oligosaccharides and glycoconjugates. The benzyl groups protect the hydroxyl functionalities, allowing selective reactions. It is also employed in enzymatic and chemical glycosylation studies to understand and mimic biological processes. Its stability and reactivity make it a key reagent in the development of pharmaceuticals, especially in the synthesis of glycosylated drugs and natural products.