

CasNo: 1003-29-8
| Molecular Formula | C5H5NO |
| Appearance | Colorless or pale Red crystal |
| Melting Point | 43 - 47℃ |
| Loss On Drying | ≤ 0.5% |
| Residues On Ignition | ≤0.1% |
| Assay(HPLC) | ≥98% |