50743-17-4
50743-17-4 structure
- Name: 3-cyanochromone
- Chemical Name: Chromone-3-Carbonitrile
- CAS Number: 50743-17-4
- Molecular Formula: C10H5NO2
- Molecular Weight: 171.15200
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyran compound
- Create Date: 2018-02-23 08:00:00
- Modify Date: 2025-08-25 17:11:47
-
3-Cyanochromone is a potent gram-negative bacteria WcbL protein inhibitor with IC50 of 28 uM in a competitive enzyme-inhibition model, shows inhibition constants Ki of 10 uM..
| Name | Chromone-3-Carbonitrile |
|---|---|
| Synonyms |
4-oxochromene-3-carbonitrile
Chromone-3-carbonitrile MFCD00052604 |
| Density | 1.34g/cm3 |
|---|---|
| Boiling Point | 278.3ºC at 760 mmHg |
| Melting Point | 174-176 °C(lit.) |
| Molecular Formula | C10H5NO2 |
| Molecular Weight | 171.15200 |
| Flash Point | 119.5ºC |
| Exact Mass | 171.03200 |
| PSA | 54.00000 |
| LogP | 1.66468 |
| Index of Refraction | 1.621 |
| Hazard Codes | Xn,Xi |
|---|---|
| Risk Phrases | R36/37/38 |
| Safety Phrases | S36/37/39-S26 |
| RIDADR | 3276 |
| WGK Germany | 3 |
| Packaging Group | III |
| Hazard Class | 6.1 |
| HS Code | 2926909090 |
| Precursor 8 | |
|---|---|
| DownStream 10 | |
![2-[(2-hydroxybenzoyl)methylene]-1,3,4,5-tetrahydroimidazole structure](https://image.chemsrc.com/caspic/109/73262-05-2.png)
![3-chloro-2-methyl-5H-chromeno[2,3-b]pyridin-5-one structure](https://image.chemsrc.com/caspic/098/83989-73-5.png)
![2-(4-oxo-4H-[1]benzopyran-3-yl) [1] benzopyrano[3,2-e]pyrimidin-5(5H)-one structure](https://image.chemsrc.com/caspic/347/73262-21-2.png)
![3-ACETYL-2-METHYL-5H-CHROMENO[2,3-B]PYRIDIN-5-ONE structure](https://image.chemsrc.com/caspic/319/67867-47-4.png)
| HS Code | 2926909090 |
|---|---|
| Summary | HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |