Used in organic synthesis as a protected glycosyl donor in carbohydrate chemistry. Serves as an intermediate for the preparation of complex oligosaccharides and glycoconjugates. Commonly employed in glycosylation reactions where controlled stereochemistry is required. The acetyl and acetylthio groups act as protecting groups that can be selectively removed or modified to enable stepwise assembly of sugar chains. Applied in the development of vaccines, enzymatic probes, and synthetic antigens due to its ability to mimic natural sugar moieties. Also utilized in the study of glycosyltransferase enzymes and metabolic pathways involving sugar derivatives.