699-89-8
4,7-DICHLORO-THIENO[2,3-D]PYRIDAZINE
CAS: 699-89-8
Molecular Formula: C6H2Cl2N2S
699-89-8 - Names and Identifiers
| Name | 4,7-DICHLORO-THIENO[2,3-D]PYRIDAZINE |
| Synonyms | 4,7-DICHLORO-THIENO[2,3-D]PYRIDAZINE Thieno[2,3-d]pyridazine, 4,7-dichloro- |
| CAS | 699-89-8 |
699-89-8 - Physico-chemical Properties
| Molecular Formula | C6H2Cl2N2S |
| Molar Mass | 205.06 |
| Density | 1.662±0.06 g/cm3(Predicted) |
| Melting Point | 157-158 °C |
| Boling Point | 409.6±40.0 °C(Predicted) |
| pKa | -2?+-.0.40(Predicted) |
| Storage Condition | under inert gas (nitrogen or Argon) at 2–8 °C |
699-89-8 - Reference Information
| Uses | 4, 7-dichlorothieno [2,3-D] pyridazine can be used as an intermediate in pharmaceutical synthesis, which can be used from 3-thiophene formic acid As the reaction raw material, the intermediate thiophene -2, 3-dicarboxylic acid is prepared, which is further obtained by reacting with methanol to ester, and then reacted with hydrazine hydrate and phosphorus oxychloride. |
Last Update：2024-04-10 22:29:15
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