Crystal structure of the nucleoside 2′-deoxyguanosine dimethyl sulfoxide disolvate

The title compound, C10H13N5O4.2C2H6OS, which is of interest with respect to its biological activity, at 183 K has orthorhombic P212121 crystal symmetry. The structure displays a network of intermolecular N—H...N, N—H...O and O—H...O hydrogen bonds. 2′-Deoxyguanosine molecules are linked to each other and to the two dimethyl sulfoxide solvent molecules by hydrogen bonding