| S1305 |
| IUPAC Name | CAS Number | Molecular Formula | Molecular Weight | Melting Point | EINECS |
| 1-(2-Chloro-5-Sulfophenyl)-3-Methyl-5-Pyrazolone | 88-76-6 | C10H9ClN2O4S | 288.7 | 344 °C | 201-858-0 |
| S1305 |
| IUPAC Name | CAS Number | Molecular Formula | Molecular Weight | Melting Point | EINECS |
| 1-(2-Chloro-5-Sulfophenyl)-3-Methyl-5-Pyrazolone | 88-76-6 | C10H9ClN2O4S | 288.7 | 344 °C | 201-858-0 |