is conjugate acid of ammonia ammonium 18.034 18.03850 AMMONIUM ION Ammonium(1+) An onium cation obtained by protonation of ammonia. CAS:14798-03-9 CHEBI:22534 CHEBI:28938 CHEBI:49783 CHEBI:7435 Gmelin:84 H4N InChI=1S/H3N/h1H3/p+1 KEGG:C01342 MetaCyc:AMMONIUM MolBase:929 NH4(+) NH4+ PDBeChem:NH4 PMID:11319011 PMID:11341317 PMID:12096804 PMID:14512268 PMID:14879753 PMID:16345391 PMID:16903292 PMID:17392693 PMID:18515490 PMID:19199063 PMID:19596600 PMID:19682559 PMID:19716251 PMID:21993530 PMID:22265469 PMID:22524020 PMID:22562341 PMID:22631217 QGZKDVFQNNGYKY-UHFFFAOYSA-O Reaxys:16093784 Wikipedia:Ammonium [H][N+]([H])([H])[H] [NH4](+) ammonium azanium chebi_ontology nitrogen hydride ammonium ion heteroatomic molecular entity monovalent inorganic cation