has role is conjugate base of nitrite -1 45.993 46.00554 CAS:14797-65-0 CHEBI:14658 CHEBI:16301 CHEBI:44396 CHEBI:7585 Gmelin:977 IOVCWXUNBOPUCH-UHFFFAOYSA-M InChI=1S/HNO2/c2-1-3/h(H,2,3)/p-1 KEGG:C00088 NITRITE ION NO2 NO2(-) Nitrit Nitrite PDBeChem:NO2 The nitrogen oxoanion formed by loss of a proton from nitrous acid. Wikipedia:Nitrite [NO2](-) [O-]N=O chebi_ontology dioxidonitrate(1-) dioxonitrate(1-) dioxonitrate(III) nitrite nitrite anion nitrite(1-) nitrous acid, ion(1-) colombos:NO2 nitrous acid nitrogen oxoanion reactive nitrogen species human metabolite monovalent inorganic anion