29274-23-5
29274-23-5 structure
- Name: PYRAZOLO[1,5-A]PYRIMIDIN-7(4H)-ONE
- Chemical Name: 4H-Pyrazolo[1,5-a]pyrimidin-7-one
- CAS Number: 29274-23-5
- Molecular Formula: C6H5N3O
- Molecular Weight: 135.12300
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Ketones
- Create Date: 2019-01-01 13:41:11
- Modify Date: 2026-08-31 13:38:37
| Name | 4H-Pyrazolo[1,5-a]pyrimidin-7-one |
|---|---|
| Synonyms |
Pyrazolo[1,5-a]pyrimidin-7(4H)-one
PYRAZOLO[1,5-A]PYRIMIDIN-7(1H)-ONE 4H,7H-pyrazolo[1,5-a]pyrimidin-7-one Pyrazolo[1,5-a]pyrimidin-7(4H) 4H-PYRAZOLO[1,5-A]PYRIMIDIN-7-ONE 3-Bromo-7-oxo-4,7-dihydropyrazolo[1,5-a]-pyrimidine-6-cboxylic acid Pyrazolo[1,5-a]pyrimidin-7-one 4H-PYRAZOLO[1,5-A]PYRIMIDIN-7-ONE ISO 9001：2015 REACH 4,7-dihydropyrazolo<1,5-a>pyrimidin-7-one |
| Density | 1.511g/cm3 |
|---|---|
| Boiling Point | 297.644ºC at 760 mmHg |
| Molecular Formula | C6H5N3O |
| Molecular Weight | 135.12300 |
| Flash Point | 133.811ºC |
| Exact Mass | 135.04300 |
| PSA | 50.42000 |
| LogP | 0.43490 |
| Vapour Pressure | 0.001mmHg at 25°C |
| Index of Refraction | 1.739 |
| HS Code | 2933990090 |
|---|
| Precursor 8 | |
|---|---|
| DownStream 2 | |
![7-OXO-4,7-DIHYDROPYRAZOLO[1,5-A]PYRIMIDINE-6-CARBOXYLIC ACID structure](https://image.chemsrc.com/caspic/295/197367-75-2.png)
![ETHYL 7-OXO-4,7-DIHYDROPYRAZOLO[1,5-A]PYRIMIDINE-6-CARBOXYLATE structure](https://image.chemsrc.com/caspic/111/29274-18-8.png)
![7-Chloropyrazolo[1,5-a]pyrimidine structure](https://image.chemsrc.com/caspic/132/58347-49-2.png)
![4-methylpyrazolo[1,5-a]pyrimidin-7-one structure](https://image.chemsrc.com/caspic/122/77494-09-8.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% |