78389-19-2
78389-19-2 structure
- Name: akos 90779
- Chemical Name: 4,5-dichloro-2-pyridin-2-ylpyridazin-3-one
- CAS Number: 78389-19-2
- Molecular Formula: C9H5Cl2N3O
- Molecular Weight: 242.06100
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridazine
- Create Date: 2018-11-24 19:36:29
- Modify Date: 2025-08-25 19:32:10
| Name | 4,5-dichloro-2-pyridin-2-ylpyridazin-3-one |
|---|---|
| Synonyms | 4,5-dichloro-2-pyridin-2-yl-2H-pyridazin-3-one |
| Density | 1.546g/cm3 |
|---|---|
| Boiling Point | 331.143ºC at 760 mmHg |
| Molecular Formula | C9H5Cl2N3O |
| Molecular Weight | 242.06100 |
| Flash Point | 154.07ºC |
| Exact Mass | 240.98100 |
| PSA | 47.78000 |
| LogP | 1.93430 |
| Index of Refraction | 1.678 |
|
~76%
78389-19-2 |
| Literature: CEPHALON, INC. Patent: WO2009/142732 A2, 2009 ; Location in patent: Page/Page column 63-64 ; WO 2009/142732 A2 |
|
~%
78389-19-2 |
| Literature: Sauter, Fritz; Stanetty, Peter; Blaschke, Alfred; Vyplel, Hermann Journal of Chemical Research, Miniprint, 1981 , # 4 p. 1087 - 1096 |
| Precursor 4 | |
|---|---|
| DownStream 0 | |
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |