5809-67-6 3-Butenoic acid, 4-(2-furanyl)-2-oxo- 3-Butenoic acid, 4-(2-furanyl)-2-oxo- Catalog No.: 751429 Name: 3-Butenoic acid, 4-(2-furanyl)-2-oxo- CAS: 5809-67-6 Formula: C8H6O4 Inquire about this product →