18342-97-7
18342-97-7 structure
- Name: ETHYL 3-HYDROXYISONICOTINATE
- Chemical Name: ethyl 3-hydroxypyridine-4-carboxylate
- CAS Number: 18342-97-7
- Molecular Formula: C8H9NO3
- Molecular Weight: 167.16200
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Hydroxypyridine
- Create Date: 2018-05-30 08:00:00
- Modify Date: 2025-09-18 17:02:11
| Name | ethyl 3-hydroxypyridine-4-carboxylate |
|---|---|
| Synonyms |
3-HYDROXYPYRIDINE-4-CARBOXYLIC ACID ETHYL ESTER
5-hydroxyisonicotinic acid ethyl ester 3-hydroxy-isonicotinic acid ethyl ester 3-Hydroxy-pyridin-4-carbonsaeureethylester ethyl-3-hydroxyisonicotinate 4-(Ethoxycarbonyl)-3-hydroxypyridine QC-721 |
| Density | 1.233g/cm3 |
|---|---|
| Boiling Point | 321.943 °C at 760 mmHg |
| Molecular Formula | C8H9NO3 |
| Molecular Weight | 167.16200 |
| Exact Mass | 167.05800 |
| PSA | 59.42000 |
| LogP | 0.96390 |
| Vapour Pressure | 0mmHg at 25°C |
| Index of Refraction | 1.542 |
| Hazard Codes | Xi |
|---|---|
| Risk Phrases | 41-22 |
| Safety Phrases | 26-39-36/37 |
| RIDADR | 1759.0 |
| HS Code | 2933399090 |
|
~95%
18342-97-7 |
| Literature: ASTRAZENECA AB Patent: WO2005/54249 A1, 2005 ; Location in patent: Page/Page column 36 ; WO 2005/054249 A1 |
|
~%
18342-97-7 |
| Literature: EP1582521 A1, ; Page/Page column 131-132 ; |
|
~68%
18342-97-7 |
| Literature: ASTRAZENECA AB Patent: WO2005/54249 A1, 2005 ; Location in patent: Page/Page column 35-36 ; WO 2005/054249 A1 |
| Precursor 4 | |
|---|---|
| DownStream 9 | |
![FURO[2,3-C]PYRIDIN-3(2H)-ONE HYDROCHLORIDE structure](https://image.chemsrc.com/caspic/305/106531-51-5.png)
![Furo[2,3-c]pyridin-3-ol, 2,3-dihydro- (9CI) structure](https://image.chemsrc.com/caspic/229/106531-53-7.png)
![Furo[2,3-c]pyridine structure](https://image.chemsrc.com/caspic/125/19539-50-5.png)
![Ethyl 3-hydroxyfuro[2,3-c]pyridine-2-carboxylate structure](https://image.chemsrc.com/caspic/343/106531-50-4.png)
![Ethyl furo[2,3-c]pyridine-2-carboxylate structure](https://image.chemsrc.com/caspic/440/138173-83-8.png)
![FURO[2,3-C]PYRIDINE-2-CARBOXYLIC ACID structure](https://image.chemsrc.com/caspic/443/112372-15-3.png)
![2-methylfuro[2,3-c]pyridine structure](https://image.chemsrc.com/caspic/122/69022-76-0.png)
![ethyl 3-(trifluoromethylsulfonyloxy)furo[2,3-c]pyridine-2-carboxylate structure](https://image.chemsrc.com/caspic/476/927804-63-5.png)
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |