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CHEBI:39745 - dihydrogenphosphate

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ChEBI Name dihydrogenphosphate
ChEBI ID CHEBI:39745
Definition A monovalent inorganic anion that consists of phosphoric acid in which one of the three OH groups has been deprotonated.
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:39739, CHEBI:29137
Supplier Information
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Formula H2O4P
Net Charge -1
Average Mass 96.98724
Monoisotopic Mass 96.969
InChI InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-1
InChIKey NBIIXXVUZAFLBC-UHFFFAOYSA-M
SMILES [H]OP([O-])(=O)O[H]
Roles Classification
Biological Role(s): human metabolite
Any mammalian metabolite produced during a metabolic reaction in humans (Homo sapiens).
(via phosphate ion )
View more via ChEBI Ontology
ChEBI Ontology
Outgoing dihydrogenphosphate (CHEBI:39745) is a monovalent inorganic anion (CHEBI:79389)
dihydrogenphosphate (CHEBI:39745) is a phosphate ion (CHEBI:35780)
dihydrogenphosphate (CHEBI:39745) is conjugate acid of hydrogenphosphate (CHEBI:43474)
dihydrogenphosphate (CHEBI:39745) is conjugate base of phosphoric acid (CHEBI:26078)
Incoming ammonium dihydrogen phosphate (CHEBI:62982) has part dihydrogenphosphate (CHEBI:39745)
phosphoric acid (CHEBI:26078) is conjugate acid of dihydrogenphosphate (CHEBI:39745)
hydrogenphosphate (CHEBI:43474) is conjugate base of dihydrogenphosphate (CHEBI:39745)
IUPAC Names
dihydrogen(tetraoxidophosphate)(1−)
dihydrogenphosphate
dihydrogentetraoxophosphate(1−)
dihydrogentetraoxophosphate(V)
dihydroxidodioxidophosphate(1−)
Synonyms Sources
[PO2(OH)2] IUPAC
DIHYDROGENPHOSPHATE ION PDBeChem
H2PO4 IUPAC
Database Links Databases
2HP PDBeChem
DB02831 DrugBank
View more database links
Registry Number Type Source
1999 Gmelin Registry Number Gmelin
Last Modified
06 October 2014