- 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: «gamma»-Crotonolactone; «gamma»-Hydroxycrotonic acid lactone; «delta»,«alpha»,«beta»-Butenolide; Butenolide; Isocrotonolactone; 2-Buten-4-olide; 2-Butenoic acid-«gamma»-lactone; 2-Butenoic acid, 4-hydroxy-, «gamma»-lactone; 2-Butenolide; 4-Hydroxy-2-butenoic acid «gamma»-lactone; 4-Hydroxy-2-butenoic acid lactone; «gamma»-Crotolactone; «alpha»,«beta»-Crotonolactone; Crotonic acid, 4-hydroxy-, «gamma»-lactone; 2-Oxo-2,5-dihydrofuran; 5H-furan-2-one; 2,5-Dihydrofuranone; NSC 197009; Furan-2(5H)-one; Crotonolactone; 2(5H)-Furanone («gamma»-crotonolactone)
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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