CHEBI:18371 - cis-4-carboxymethylenebut-2-en-4-olide

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ChEBI Name cis-4-carboxymethylenebut-2-en-4-olide ChEBI ID CHEBI:18371 ChEBI ASCII Name cis-4-carboxymethylenebut-2-en-4-olide Stars This entity has been manually annotated by the ChEBI Team. Secondary ChEBI IDs CHEBI:10478, CHEBI:23299 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 C6H4O4 Net Charge 0 Average Mass 140.09356 Monoisotopic Mass 140.01096 InChI InChI=1S/C6H4O4/c7-5(8)3-4-1-2-6(9)10-4/h1-3H,(H,7,8)/b4-3+ InChIKey AYFXPGXAZMFWNH-ONEGZZNKSA-N SMILES OC(=O)\C=C1OC(=O)C=C\1 ChEBI Ontology Outgoing cis-4-carboxymethylenebut-2-en-4-olide (CHEBI:18371) is a 4-carboxymethylenebut-2-en-4-olide (CHEBI:11972) Incoming cis-2-chloro-4-carboxymethylenebut-2-en-1,4-olide (CHEBI:16211) has functional parent cis-4-carboxymethylenebut-2-en-4-olide (CHEBI:18371) IUPAC Name (2E)-(5-oxofuran-2(5H)-ylidene)acetic acid Synonyms Sources (5-oxo-2(5H)-furanylidene)acetic acid ChemIDplus 4-Carboxymethylenebut-2-en-4-olide KEGG COMPOUND cis-4-Carboxymethylenebut-2-en-4-olide KEGG COMPOUND Manual Xrefs Databases c0299 UM-BBD C04431 KEGG COMPOUND View more database links Registry Numbers Types Sources 3374-46-7 CAS Registry Number ChemIDplus 3649017 Beilstein Registry Number Beilstein 73237-79-3 CAS Registry Number KEGG COMPOUND Last Modified 28 July 2014

General Comment 2004-05-10 The non-stereospecific name '4-carboxymethylenebut-2-enolide' is used in the literature as a synonym for the naturally occurring E (termed 'cis') stereoisomer.