500697-82-5 Phosphonic acid, (1-oxo-2-butenyl)- Phosphonic acid, (1-oxo-2-butenyl)- Catalog No.: 2089694 Name: Phosphonic acid, (1-oxo-2-butenyl)- CAS: 500697-82-5 Formula: C4H7O4P Inquire about this product →