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
Supplier Information
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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).
Related Structures
ammonium has Substituent Group(s)
azaniumyl group
Mass : 17.03056
Formula : H3N
ammonium is a Parent Hydride of
ammonium ion derivative
Definition : A derivative of ammonium, NH4+, in which one (or more) of the hydrogens bonded to the nitrogen have been replaced with univalent organyl groups. The substituting carbon of the organyl group must not itself be directly attached to a heteroatom (thereby excluding protonated amides, hemiaminals, etc).
quaternary ammonium ion
Mass : 14.00670
Formula : NR4
ammonium is a Conjugate Acid of
Mass : 17.03056
Formula : H3N
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