- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE
- Price: Check
- Purity: 95.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE
- Price: ￥306.0/250mg ￥3826.0/10g ￥616.0/1g ￥2296.0/5g
- Purity: 95.0%
- Stocking Period: 1 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Pyrazolo[1,5-a]pyrimidine-5,7(4H,6H)-dione
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
57489-70-0
57489-70-0 structure
- Name: PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE
- Chemical Name: 7-hydroxy-1H-pyrazolo[1,5-a]pyrimidin-5-one
- CAS Number: 57489-70-0
- Molecular Formula: C6H5N3O2
- Molecular Weight: 151.12300
- Create Date: 2018-12-06 18:06:19
- Modify Date: 2025-08-24 19:32:25
| Name | 7-hydroxy-1H-pyrazolo[1,5-a]pyrimidin-5-one |
|---|---|
| Synonyms | MFCD21607093 |
| Density | 1.741 g/cm3 |
|---|---|
| Boiling Point | 290.61ºC at 760 mmHg |
| Molecular Formula | C6H5N3O2 |
| Molecular Weight | 151.12300 |
| Flash Point | 129.556ºC |
| Exact Mass | 151.03800 |
| PSA | 70.65000 |
| LogP | 0.14050 |
| Index of Refraction | 1.793 |
| HS Code | 2933990090 |
|---|
|
~79%
57489-70-0 |
| Literature: SCHERING CORPORATION; MENG, Zhaoyang; REDDY, Panduranga Adulla, P.; SIDDIQUI, M. Arshad; MANDAL, Amit, K.; LIU, Duan; ZHAO, Lianyun; MCRINER, Andrew Patent: WO2012/27234 A1, 2012 ; Location in patent: Page/Page column 39; 40 ; WO 2012/027234 A1 |
|
~%
57489-70-0 |
| Literature: ACS Medicinal Chemistry Letters, , vol. 1, # 5 p. 204 - 208 |
| Precursor 3 | |
|---|---|
| DownStream 3 | |
![5-Chloropyrazolo[1,5-a]pyrimidin-7-amine structure](https://image.chemsrc.com/caspic/173/245095-96-9.png)
![5,7-Dichloropyrazolo[1,5-a]pyrimidine structure](https://image.chemsrc.com/caspic/116/57489-77-7.png)
![3-Bromo-5,7-dichloro-pyrazolo[1,5-a]pyrimidine structure](https://image.chemsrc.com/caspic/223/114040-06-1.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% |