180.16

Glucose is a monosaccharide (simple sugar) with formula C6H12O6 or H-(C=O)-(CHOH)5-H, whose five hydroxyl (OH) groups are arranged in a specific way along its six-carbon backbone. The molar mass is 180.16 g/mol

The name may refer to any of two stereoisomers, which are mirror images of each other. It usually means the isomer that is most common in nature, properly called D-glucose, dextrose, or grape sugar.