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

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
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
Formula C4H4O2
Net Charge 0
Average Mass 84.07336
Monoisotopic Mass 84.021
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