189747-34-0
189747-34-0 structure
- Name: 2,8-Dichloropyrimido[5,4-d]pyrimidine
- Chemical Name: 4,6-dichloropyrimido[5,4-d]pyrimidine
- CAS Number: 189747-34-0
- Molecular Formula: C6H2Cl2N4
- Molecular Weight: 201.013
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Chloropyrimidine
- Create Date: 2019-01-01 10:55:54
- Modify Date: 2025-08-25 15:55:27
| Name | 4,6-dichloropyrimido[5,4-d]pyrimidine |
|---|---|
| Synonyms |
Pyrimido[5,4-d]pyrimidine, 2,8-dichloro-
2,8-Dichloro-Pyrimido[5,4-d]Pyrimidine 2,5-DINITROFLUORENE Pyrimido[5,4-d]pyrimidine,2,8-dichloro 2,8-Dichloropyrimido[5,4-d]pyrimidine |
| Density | 1.7±0.1 g/cm3 |
|---|---|
| Boiling Point | 310.3±35.0 °C at 760 mmHg |
| Molecular Formula | C6H2Cl2N4 |
| Molecular Weight | 201.013 |
| Flash Point | 170.4±11.5 °C |
| Exact Mass | 199.965652 |
| PSA | 51.56000 |
| LogP | 0.38 |
| Vapour Pressure | 0.0±0.6 mmHg at 25°C |
| Index of Refraction | 1.695 |
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189747-34-0 |
| Literature: Journal of Medicinal Chemistry, , vol. 40, # 12 p. 1820 - 1826 |
|
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189747-34-0 |
| Literature: Journal of Medicinal Chemistry, , vol. 40, # 12 p. 1820 - 1826 |
|
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189747-34-0 |
| Literature: Journal of Medicinal Chemistry, , vol. 40, # 12 p. 1820 - 1826 |
| Precursor 3 | |
|---|---|
| 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% |