CAS:497-23-4 Molekulare Formel:C4H4O2 Molekulare Gewiicht:84,07 EINECS:207-839-3 Synonyme:γ-Crotonolakton, 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-One; 2(5H)-Furanone, γ-Crotonolacton, 2-Buten-1,4-olide2(5H)-Furanone 2-Oxo-2,5-dihydrofuran; 2 (5H) -FURANONE FIR; SYNTHESE 1 ML