Alphadolone 21-β-D-glucuronide (ADG) is a biochemical reagent utilized in glycoscience research. This research explores the structure, synthesis, biology, and evolution of sugars. It encompasses carbohydrate chemistry, glycans' formation and degradation enzymology, protein-glycan interactions, and the role of glycans in biological systems. The field is closely associated with fundamental research, biomedicine, and biotechnology.