CHEBI:38118 - but-2-en-4-olide

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ChEBI Name but-2-en-4-olide ChEBI ID CHEBI:38118 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 C4H4O2 Net Charge 0 Average Mass 84.07336 Monoisotopic Mass 84.02113 InChI InChI=1S/C4H4O2/c5-4-2-1-3-6-4/h1-2H,3H2 InChIKey VIHAEDVKXSOUAT-UHFFFAOYSA-N SMILES O=C1OCC=C1 ChEBI Ontology Outgoing but-2-en-4-olide (CHEBI:38118) is a butenolide (CHEBI:50523) but-2-en-4-olide (CHEBI:38118) is tautomer of but-3-en-4-olide (CHEBI:38120) Incoming β-angelica lactone (CHEBI:36436) has functional parent but-2-en-4-olide (CHEBI:38118) 2,4-dichloro-5-oxo-2,5-dihydro-2-furylacetate (CHEBI:57641) has functional parent but-2-en-4-olide (CHEBI:38118) but-3-en-4-olide (CHEBI:38120) is tautomer of but-2-en-4-olide (CHEBI:38118) IUPAC Name furan-2(5H)-one Synonyms Sources 2(5H)-furanone NIST Chemistry WebBook 2-buten-4-olide ChemIDplus 2-butenolide ChemIDplus 2-oxo-2,5-dihydrofuran NIST Chemistry WebBook 4-hydroxy-2-butenoic acid lactone NIST Chemistry WebBook α,β-crotonolactone NIST Chemistry WebBook butenolide ChemIDplus Butenolide KEGG COMPOUND γ-crotonolactone NIST Chemistry WebBook gamma-Crotonolactone KEGG COMPOUND γ-hydroxycrotonic acid lactone NIST Chemistry WebBook Manual Xref Database C17601 KEGG COMPOUND View more database links Registry Numbers Types Sources 383585 Beilstein Registry Number Beilstein 497-23-4 CAS Registry Number NIST Chemistry WebBook 497-23-4 CAS Registry Number ChemIDplus 773828 Gmelin Registry Number Gmelin Last Modified 28 July 2014