22288-66-0
22288-66-0 structure
- Name: 2H-Pyrido[1,2-a]pyrimidine-2,4(3H)-dione
- Chemical Name: pyrido[1,2-a]pyrimidine-2,4-dione
- CAS Number: 22288-66-0
- Molecular Formula: C8H6N2O2
- Molecular Weight: 162.14500
- Create Date: 2018-12-30 16:08:09
- Modify Date: 2025-08-25 18:27:06
| Name | pyrido[1,2-a]pyrimidine-2,4-dione |
|---|---|
| Synonyms |
2,3-Dihydro-4H-pyrido<1.2-a>pyrimidin-2,4-dion
F1516-4482 2.3-Dihydro-2-oxo-4H-pyrido<1.2-a>pyrimidin-4-on |
| Density | 1.41 |
|---|---|
| Boiling Point | 294.9ºC at 760 mmHg |
| Molecular Formula | C8H6N2O2 |
| Molecular Weight | 162.14500 |
| Flash Point | 132.1ºC |
| Exact Mass | 162.04300 |
| PSA | 51.43000 |
| Vapour Pressure | 0.00158mmHg at 25°C |
| Index of Refraction | 1.676 |
| HS Code | 2933990090 |
|---|
|
~94%
22288-66-0 |
| Literature: Gullu, Mustafa; Razack, Liaquat A.; Utley, James H. P.; King, Ronald J.; Ray White Tetrahedron, 1991 , vol. 47, # 4-5 p. 675 - 684 |
|
~%
22288-66-0 |
| Literature: Bishnoi, Abha; Singh, Suruchi; Tiwari, Anil K; Srivastava, Krishna; Raghuvir, Ram; Tripathi, Chandrakant M Journal of Chemical Sciences, 2013 , vol. 125, # 2 p. 305 - 312 |
|
~98%
22288-66-0 |
| Literature: Gullu, Mustafa; Razack, Liaquat A.; Utley, James H. P.; King, Ronald J.; Ray White Tetrahedron, 1991 , vol. 47, # 4-5 p. 675 - 684 |
|
~%
22288-66-0 |
| Literature: Tschitschibabin Patent: DE451733 ; |
| Precursor 5 | |
|---|---|
| DownStream 6 | |
![2-Chloro-4H-pyrido[1,2-a]pyrimidin-4-one structure](https://image.chemsrc.com/caspic/489/5418-94-0.png)
![2-Chloro-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde structure](https://image.chemsrc.com/caspic/037/17481-62-8.png)
![4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE structure](https://image.chemsrc.com/caspic/086/23443-10-9.png)
![8-hydrazinyl-1,7-diazabicyclo[4.4.0]deca-2,4,6,8-tetraen-10-one structure](https://image.chemsrc.com/caspic/097/55395-30-7.png)
![2-aminopyrido[1,2-a]pyrimidin-4-one structure](https://image.chemsrc.com/caspic/439/61838-56-0.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% |