D-Altrose is primarily utilized in biochemical research as a rare sugar to study carbohydrate metabolism and enzyme specificity. It serves as a valuable tool in understanding the mechanisms of glycosylation and the role of sugars in cellular processes. Additionally, it is used in the synthesis of complex carbohydrates and glycoconjugates, aiding in the development of novel therapeutic agents and vaccines. Its unique structure also makes it a candidate for investigating sugar-based drug delivery systems and metabolic pathways in microorganisms.