5203-98-5
5203-98-5 structure
- Name: 3,4-DIMETHYL-1,6-DIHYDROPYRANO[2,3-C]PYRAZOL-6-ONE
- Chemical Name: 3,4-dimethyl-2H-pyrano[2,3-c]pyrazol-6-one
- CAS Number: 5203-98-5
- Molecular Formula: C8H8N2O2
- Molecular Weight: 164.16100
- Create Date: 2018-12-21 08:27:25
- Modify Date: 2025-08-25 20:23:49
| Name | 3,4-dimethyl-2H-pyrano[2,3-c]pyrazol-6-one |
|---|---|
| Synonyms |
Bio-0426
3,4-dimethylpyrano[2,3-c]pyrazol-6(1h)-one 3,4-Dimethyl-1H-pyrano[2,3-c]pyrazol-6-one XC 386 3,4-dimethyl-1,6-dihydropyrano[2,3-c]pyrazol-6-one |
| Density | 1.335 g/cm3 |
|---|---|
| Boiling Point | 414.4ºC at 760mmHg |
| Melting Point | 251ºC |
| Molecular Formula | C8H8N2O2 |
| Molecular Weight | 164.16100 |
| Flash Point | 204.4ºC |
| Exact Mass | 164.05900 |
| PSA | 58.89000 |
| LogP | 1.13290 |
| Index of Refraction | 1.596 |
| HS Code | 2934999090 |
|---|
| Precursor 10 | |
|---|---|
| DownStream 9 | |
![9-(2-hydroxyethyl)-5,7-dimethyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,7,10-trien-3-one structure](https://image.chemsrc.com/caspic/484/67056-25-1.png)
![8-(2-hydroxyethyl)-5,7-dimethyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,6,9-trien-3-one structure](https://image.chemsrc.com/caspic/495/88550-08-7.png)
![5,7,8-trimethyl-2-oxa-8,9-diazabicyclo[4.3.0]nona-4,6,9-trien-3-one structure](https://image.chemsrc.com/caspic/217/87343-65-5.png)
![1,3,4-trimethylpyrano[2,3-c]pyrazol-6-one structure](https://image.chemsrc.com/caspic/239/5775-94-0.png)
![2-ethyl-3,4-dimethylpyrano[2,3-c]pyrazol-6-one structure](https://image.chemsrc.com/caspic/191/88563-11-5.png)
![1-ethyl-3,4-dimethylpyrano[2,3-c]pyrazol-6-one structure](https://image.chemsrc.com/caspic/293/88549-98-8.png)
![3,4-dimethyl-1-propylpyrano[2,3-c]pyrazol-6-one structure](https://image.chemsrc.com/caspic/255/88549-99-9.png)
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |