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EFO
Experimental Factor Ontology
(EFO)
OWL
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Last submission date March 29, 2025
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ID
http://purl.obolibrary.org/obo/CHEBI_28938
http://purl.obolibrary.org/obo/CHEBI_28938
https://agroportal.lirmm.fr/ontologies/EFO/CHEBI_28938
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Preferred name
ammonium
Synonyms
ammonium
azanium
NH4+
Ammonium(1+)
NH4(+)
[NH4](+)
ammonium cation
ammonium ion
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Definitions
An onium cation obtained by protonation of ammonia.
Raw data
rdf:type
http://www.w3.org/2002/07/owl#Class
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rdfs:subClassOf
http://purl.obolibrary.org/obo/CHEBI_24431
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rdfs:label
ammonium
skos:notation
CHEBI:28938
obo_purl:IAO_0000115
An onium cation obtained by protonation of ammonia.
oboinowl_gen:hasExactSynonym
ammonium
azanium
oboinowl_gen:hasDbXref
KEGG:C01342
MetaCyc:AMMONIUM
MolBase:929
PDBeChem:NH4
Wikipedia:Ammonium
CAS:14798-03-9
Gmelin:84
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
Reaxys:16093784
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oboinowl_gen:hasOBONamespace
chebi_ontology
oboinowl_gen:id
CHEBI:28938
oboinowl_gen:inSubset
http://purl.obolibrary.org/obo/chebi#3_STAR
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oboinowl_gen:hasRelatedSynonym
NH4+
Ammonium(1+)
NH4(+)
[NH4](+)
ammonium cation
ammonium ion
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oboinowl_gen:hasAlternativeId
CHEBI:22534
CHEBI:49783
CHEBI:7435
obo_purl:charge
+1
obo_purl:formula
H4N
obo_purl:inchi
InChI=1S/H3N/h1H3/p+1
obo_purl:inchikey
QGZKDVFQNNGYKY-UHFFFAOYSA-O
obo_purl:mass
18.03850
obo_purl:monoisotopicmass
18.03383
obo_purl:smiles
[H][N+]([H])([H])[H]
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