17820-07-4
17820-07-4 structure
- Name: nordentatin
- Chemical Name: 5-hydroxy-2,2-dimethyl-6-(2-methylbut-3-en-2-yl)pyrano[2,3-h]chromen-8-one
- CAS Number: 17820-07-4
- Molecular Formula: C19H20O4
- Molecular Weight: 312.36000
- Create Date: 2016-03-21 01:40:23
- Modify Date: 2025-08-25 16:50:26
| Name | 5-hydroxy-2,2-dimethyl-6-(2-methylbut-3-en-2-yl)pyrano[2,3-h]chromen-8-one |
|---|---|
| Synonyms |
nordentatin
nordentatine |
| Density | 1.185g/cm3 |
|---|---|
| Boiling Point | 474.8ºC at 760 mmHg |
| Molecular Formula | C19H20O4 |
| Molecular Weight | 312.36000 |
| Flash Point | 169.9ºC |
| Exact Mass | 312.13600 |
| PSA | 59.67000 |
| LogP | 4.14640 |
| Vapour Pressure | 1.22E-09mmHg at 25°C |
| Index of Refraction | 1.575 |
| Symbol |
GHS09 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H410 |
| Precautionary Statements | P273-P501 |
| RIDADR | UN 3077 9 / PGIII |
| HS Code | 2932999099 |
|
~96%
17820-07-4 |
| Literature: Promsuwan, Pawantree; Yenjai, Chavi Asian Journal of Chemistry, 2013 , vol. 25, # 7 p. 3629 - 3632 |
|
~%
17820-07-4 |
| Literature: Promsuwan, Pawantree; Yenjai, Chavi Asian Journal of Chemistry, 2013 , vol. 25, # 7 p. 3629 - 3632 |
|
~%
17820-07-4 |
| Literature: Promsuwan, Pawantree; Yenjai, Chavi Asian Journal of Chemistry, 2013 , vol. 25, # 7 p. 3629 - 3632 |
|
~%
17820-07-4 |
| Literature: Promsuwan, Pawantree; Yenjai, Chavi Asian Journal of Chemistry, 2013 , vol. 25, # 7 p. 3629 - 3632 |
|
~%
17820-07-4 |
| Literature: Promsuwan, Pawantree; Yenjai, Chavi Asian Journal of Chemistry, 2013 , vol. 25, # 7 p. 3629 - 3632 |
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |