189747-31-7
189747-31-7 structure
- Name: 6-CHLOROPYRIMIDO[5,4-D]PYRIMIDIN-4(3H)-ONE
- Chemical Name: 6-chloro-1H-pyrimido[5,4-d]pyrimidin-4-one
- CAS Number: 189747-31-7
- Molecular Formula: C6H3ClN4O
- Molecular Weight: 182.56700
- Create Date: 2018-12-22 15:34:50
- Modify Date: 2025-08-25 20:04:48
| Name | 6-chloro-1H-pyrimido[5,4-d]pyrimidin-4-one |
|---|---|
| Synonyms | qc-5627 |
| Density | 1.872g/cm3 |
|---|---|
| Boiling Point | 458.567ºC at 760 mmHg |
| Molecular Formula | C6H3ClN4O |
| Molecular Weight | 182.56700 |
| Flash Point | 231.133ºC |
| Exact Mass | 182.00000 |
| PSA | 71.53000 |
| LogP | 0.36650 |
| Vapour Pressure | 0mmHg at 25°C |
| Index of Refraction | 1.829 |
| HS Code | 2933990090 |
|---|
|
~81%
189747-31-7 |
| Literature: Rewcastle, Gordon W.; Bridges, Alexander J.; Fry, David W.; Rubin, J. Ronald; Denny, William A. Journal of Medicinal Chemistry, 1997 , vol. 40, # 12 p. 1820 - 1826 |
|
~%
189747-31-7 |
| Literature: Journal of Medicinal Chemistry, , vol. 40, # 12 p. 1820 - 1826 |
| Precursor 3 | |
|---|---|
| DownStream 1 | |
![2,8-Dichloropyrimido[5,4-d]pyrimidine structure](https://image.chemsrc.com/caspic/225/189747-34-0.png)
| 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% |