2,3,4,6-Tetra-O-acetyl-α-D-mannopyranosyl trichloroacetimidate is a biochemical reagent utilized in glycobiology research. Glycobiology focuses on the study of sugar structures, synthesis, biological functions, and evolution. It encompasses carbohydrate chemistry, glycan formation and degradation enzymology, protein-glycan interactions, and the role of glycans in biological systems, closely linking to fundamental research, biomedical fields, and biotechnology.