has role diphosphate(4-) diphosphate(3-) hydrogen diphosphate Beilstein:185088 HP2O7(3-) OP([O-])(=O)OP([O-])([O-])=O A trivalent inorganic anion obtained by removal of all three protons from diphosphoric acid. InChI=1S/H4O7P2/c1-8(2,3)7-9(4,5)6/h(H2,1,2,3)(H2,4,5,6)/p-3 -3 174.92140 CHEBI:33019 diphosphate 174.95126 HO7P2 XPPKVPWEQAFLFU-UHFFFAOYSA-K chebi_ontology diphosphate ion diphosphate(2-) Saccharomyces cerevisiae metabolite human metabolite trivalent inorganic anion