CHEBI:45212 - diphosphate(2−)

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ChEBI Name diphosphate(2−)
ChEBI ID CHEBI:45212
ChEBI ASCII Name diphosphate(2-)
Definition A divalent inorganic anion obtained by removal of both protons from diphosphoric acid.
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:45208, CHEBI:33018
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Formula H2O7P2
Net Charge -2
Average Mass 175.95920
Monoisotopic Mass 175.928
InChI InChI=1S/H4O7P2/c1-8(2,3)7-9(4,5)6/h(H2,1,2,3)(H2,4,5,6)/p-2
InChIKey XPPKVPWEQAFLFU-UHFFFAOYSA-L
SMILES OP([O-])(=O)OP(O)([O-])=O
ChEBI Ontology
Outgoing diphosphate(2−) (CHEBI:45212) is a diphosphate ion (CHEBI:35782)
diphosphate(2−) (CHEBI:45212) is a divalent inorganic anion (CHEBI:79388)
diphosphate(2−) (CHEBI:45212) is conjugate acid of diphosphate(3−) (CHEBI:33019)
diphosphate(2−) (CHEBI:45212) is conjugate base of diphosphate(1−) (CHEBI:33017)
Incoming diphosphate(1−) (CHEBI:33017) is conjugate acid of diphosphate(2−) (CHEBI:45212)
diphosphate(3−) (CHEBI:33019) is conjugate base of diphosphate(2−) (CHEBI:45212)
IUPAC Name
dihydrogen diphosphate
Synonyms Sources
H2P2O72− IUPAC
PYROPHOSPHATE 2- PDBeChem
Database Links Databases
DB02212 DrugBank
POP PDBeChem
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Registry Number Type Source
185085 Gmelin Registry Number Gmelin
Last Modified
06 October 2014