CHEBI:28938 - ammonium

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ChEBI Name ammonium
Definition An onium cation obtained by protonation of ammonia.
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:22534, CHEBI:49783, CHEBI:7435
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Formula H4N
Net Charge +1
Average Mass 18.03850
Monoisotopic Mass 18.03383
InChI InChI=1S/H3N/h1H3/p+1
SMILES [H][N+]([H])([H])[H]
Metabolite of Species Details
Saccharomyces cerevisiae (NCBI:txid4932) Source: See: PubMed
Escherichia coli (NCBI:txid562) See: PubMed
Homo sapiens (NCBI:txid9606) See: DOI
Roles Classification
Biological Role(s): Escherichia coli metabolite
Any bacterial metabolite produced during a metabolic reaction in Escherichia coli.
Saccharomyces cerevisiae metabolite
Any fungal metabolite produced during a metabolic reaction in Baker's yeast (Saccharomyces cerevisiae ).
human metabolite
Any mammalian metabolite produced during a metabolic reaction in humans (Homo sapiens).
An organic molecule or ion (usually a metal ion) that is required by an enzyme for its activity. It may be attached either loosely (coenzyme) or tightly (prosthetic group).
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ChEBI Ontology
Outgoing ammonium (CHEBI:28938) has role Escherichia coli metabolite (CHEBI:76971)
ammonium (CHEBI:28938) has role Saccharomyces cerevisiae metabolite (CHEBI:75772)
ammonium (CHEBI:28938) has role cofactor (CHEBI:23357)
ammonium (CHEBI:28938) has role human metabolite (CHEBI:77746)
ammonium (CHEBI:28938) is a monovalent inorganic cation (CHEBI:60242)
ammonium (CHEBI:28938) is a nitrogen hydride (CHEBI:35106)
ammonium (CHEBI:28938) is a onium cation (CHEBI:50313)
ammonium (CHEBI:28938) is conjugate acid of ammonia (CHEBI:16134)
Incoming ammonium ion derivative (CHEBI:35274) has parent hydride ammonium (CHEBI:28938)
quaternary ammonium ion (CHEBI:35267) has parent hydride ammonium (CHEBI:28938)
ammonium salt (CHEBI:47704) has part ammonium (CHEBI:28938)
amobam (CHEBI:81754) has part ammonium (CHEBI:28938)
ferric ammonium citrate (CHEBI:31604) has part ammonium (CHEBI:28938)
ammonia (CHEBI:16134) is conjugate base of ammonium (CHEBI:28938)
azaniumyl group (CHEBI:48284) is substituent group from ammonium (CHEBI:28938)
Synonyms Sources
[NH4]+ MolBase
ammonium ChEBI
ammonium cation ChemIDplus
ammonium ion PDBeChem
Ammonium(1+) ChemIDplus
NH4+ UniProt
Manual Xrefs Databases
929 MolBase
Ammonium Wikipedia
NH4 PDBeChem
View more database links
Registry Numbers Types Sources
14798-03-9 CAS Registry Number ChemIDplus
14798-03-9 CAS Registry Number NIST Chemistry WebBook
16093784 Reaxys Registry Number Reaxys
84 Gmelin Registry Number Gmelin
Citations Waiting for Citations Types Sources
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Last Modified
27 April 2020