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CHEBI:59712 - squarate

ChEBI IDCHEBI:59712
ChEBI Namesquarate
Stars
DefinitionA carbon oxoanion which is the dianion obtained by the deprotonation of the hydroxy group of hydrogensquarate.
Last Modified18 September 2025
SubmitterMarcus Ennis
DownloadsMolfile
FormulaC4O4
Net Charge-2
Average Mass112.040
Monoisotopic Mass111.98076
SMILESO=c1c([O-])c([O-])c1=O
InChIInChI=1S/C4H2O4/c5-1-2(6)4(8)3(1)7/h5-6H/p-2
InChIKeyPWEBUXCTKOWPCW-UHFFFAOYSA-L
ChEBI Ontology
Outgoing Relation(s)
squarate (CHEBI:59712) is a carbon oxoanion (CHEBI:35604)
squarate (CHEBI:59712) is conjugate base of hydrogensquarate (CHEBI:59711)
Incoming Relation(s)
squarates (CHEBI:59713) has part squarate (CHEBI:59712)
hydrogensquarate (CHEBI:59711) is conjugate acid of squarate (CHEBI:59712)
IUPAC Name 
3,4-dioxocyclobut-1-ene-1,2-diolate
Synonyms  Source
squarate(2−)ChEBI
squarate dianionChEBI
Registry NumbersSources
Beilstein:4231182Beilstein