ammonium 1 18.03383 18.039 azanium reaxys:16093784 pubmed:22562341 NH4(+) CHEBI:7435 pubmed:17392693 [NH4](+) pubmed:19716251 pubmed:22524020 pubmed:19682559 kegg.compound:C01342 ammonium pubmed:12096804 cas:14798-03-9 azanium ammonium cation ammonium ion pubmed:14879753 InChI=1S/H3N/h1H3/p+1 Ammonium(1+) CHEBI:28938 pubmed:16903292 pubmed:22631217 pubmed:11319011 pubmed:19596600 gmelin:84 pdb-ccd:NH4 ammonium pubmed:22265469 pubmed:14512268 pubmed:19199063 chebi_ontology molbase:929 CHEBI:49783 H4N pubmed:21993530 wikipedia.en:Ammonium pubmed:11341317 metacyc.compound:AMMONIUM pubmed:18515490 NH(4)(+) pubmed:16345391 [H][N+]([H])([H])[H] An onium cation obtained by protonation of ammonia. CHEBI:22534 QGZKDVFQNNGYKY-UHFFFAOYSA-O NH4+ inorganic ion