is conjugate acid of phosphate ion dihydrogenphosphate 96.969 96.98724 A monovalent inorganic anion that consists of phosphoric acid in which one of the three OH groups has been deprotonated. CHEBI:29137 CHEBI:39739 CHEBI:39745 DIHYDROGENPHOSPHATE ION DrugBank:DB02831 Gmelin:1999 H2O4P H2PO4(-) InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-1 NBIIXXVUZAFLBC-UHFFFAOYSA-M PDBeChem:2HP [H]OP([O-])(=O)O[H] [PO2(OH)2](-) chebi_ontology dihydrogen(tetraoxidophosphate)(1-) dihydrogenphosphate dihydrogentetraoxophosphate(1-) dihydrogentetraoxophosphate(V) dihydroxidodioxidophosphate(1-) hydrogenphosphate monovalent inorganic anion