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CHEBI:11972 - 4-carboxymethylenebut-2-en-4-olide

ChEBI IDCHEBI:11972
ChEBI Name4-carboxymethylenebut-2-en-4-olide
Stars
DefinitionA butenolide having a carboxymethylene group at the 4-position.
Last Modified12 December 2018
DownloadsMolfile
FormulaC6H4O4
Net Charge0
Average Mass140.094
Monoisotopic Mass140.01096
SMILES[H]C(C(=O)O)=C1C=CC(=O)O1
InChIInChI=1S/C6H4O4/c7-5(8)3-4-1-2-6(9)10-4/h1-3H,(H,7,8)
InChIKeyAYFXPGXAZMFWNH-UHFFFAOYSA-N
ChEBI Ontology
Outgoing Relation(s)
4-carboxymethylenebut-2-en-4-olide (CHEBI:11972) is a butenolide (CHEBI:50523)
4-carboxymethylenebut-2-en-4-olide (CHEBI:11972) is conjugate acid of 4-carboxylatomethylenebut-2-en-4-olide (CHEBI:57263)
Incoming Relation(s)
cis-4-carboxymethylenebut-2-en-4-olide (CHEBI:18371) is a 4-carboxymethylenebut-2-en-4-olide (CHEBI:11972)
trans-4-carboxymethylenebut-2-en-4-olide (CHEBI:38107) is a 4-carboxymethylenebut-2-en-4-olide (CHEBI:11972)
4-carboxylatomethylenebut-2-en-4-olide (CHEBI:57263) is conjugate base of 4-carboxymethylenebut-2-en-4-olide (CHEBI:11972)
IUPAC Name 
(5-oxofuran-2(5H)-ylidene)acetic acid
Registry NumbersSources
Beilstein:3111Beilstein