CHEBI:57263 - 4-carboxylatomethylenebut-2-en-4-olide

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ChEBI Name 4-carboxylatomethylenebut-2-en-4-olide ChEBI ID CHEBI:57263 Definition Conjugate base of 4-carboxymethylenebut-2-en-4-olide. Stars This entity has been manually annotated by the ChEBI Team. Supplier Information Download Molfile XML SDF Find compounds which contain this structure Find compounds which resemble this structure Take structure to the Advanced Search Formula C6H3O4 Net Charge -1 Average Mass 139.08560 Monoisotopic Mass 139.00368 InChI InChI=1S/C6H4O4/c7-5(8)3-4-1-2-6(9)10-4/h1-3H,(H,7,8)/p-1 InChIKey AYFXPGXAZMFWNH-UHFFFAOYSA-M SMILES [H]C(C([O-])=O)=C1OC(=O)C=C1 ChEBI Ontology Outgoing 4-carboxylatomethylenebut-2-en-4-olide (CHEBI:57263) is a monocarboxylic acid anion (CHEBI:35757) 4-carboxylatomethylenebut-2-en-4-olide (CHEBI:57263) is conjugate base of 4-carboxymethylenebut-2-en-4-olide (CHEBI:11972) Incoming 4-carboxymethylenebut-2-en-4-olide (CHEBI:11972) is conjugate acid of 4-carboxylatomethylenebut-2-en-4-olide (CHEBI:57263) IUPAC Name (5-oxofuran-2(5H)-ylidene)acetate Synonym Source 2-(5-oxo-2,5-dihydrofuran-2-ylidene)acetate UniProt Last Modified 13 November 2017