- Formula: C4H4O2
- Molecular weight: 84.0734
- IUPAC Standard InChIKey: VIHAEDVKXSOUAT-UHFFFAOYSA-N
- CAS Registry Number: 497-23-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: γ-Crotonolactone; γ-Hydroxycrotonic acid lactone; δ,α,β-Butenolide; Butenolide; Isocrotonolactone; 2-Buten-4-olide; 2-Butenoic acid-γ-lactone; 2-Butenoic acid, 4-hydroxy-, γ-lactone; 2-Butenolide; 4-Hydroxy-2-butenoic acid γ-lactone; 4-Hydroxy-2-butenoic acid lactone; γ-Crotolactone; α,β-Crotonolactone; Crotonic acid, 4-hydroxy-, γ-lactone; 2-Oxo-2,5-dihydrofuran; 5H-furan-2-one; 2,5-Dihydrofuranone; NSC 197009; Furan-2(5H)-one; Crotonolactone; 2(5H)-Furanone (γ-crotonolactone)
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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