Vanadium Sulfate Oxide - VOSO4 - 123334-20-3 - Vanadium (IV) sulfate oxide, Vanadyl sulfate, Vanadium (IV) sulfate oxide hydrate, pentahydrate, Basic vanadium(IV) sulfate, Vanadium(IV) oxide sulfate, Vanadium(IV) oxysulfate, [V(O)(H2O)4]SO4, VOSO4•xH2O