CAS:497-23-4 Summenformel:C4H4O2 Molekulargewicht:84.07 EINECS:207-839-3 Synonyme:γ-Crotonolacton, 2-Buten-1,4-olid; 2,5-Dihydrofuranon; 5-Oxo-2,5-dihydrofuran-3-ylester; a,b-Crotonolacton; Crotonsäure, 4-Hydroxy-; 2,5-Dihydrofuran-2-on; 2(5H)-Furanon,γ-Crotonolacton, 2-Buten-1,4-olid2(5H)-Furanon 2-Oxo-2,5-dihydrofuran; 2(5H)-FURANON FÜR ; SYNTHESE 1 ML