18692-77-8
18692-77-8 structure
- Name: 4-HYDROXY-7-METHYLCOUMARIN
- Chemical Name: 4-hydroxy-7-methylchromen-2-one
- CAS Number: 18692-77-8
- Molecular Formula: C10H8O3
- Molecular Weight: 176.16900
- Create Date: 2018-04-10 08:00:00
- Modify Date: 2024-01-06 12:05:00
| Name | 4-hydroxy-7-methylchromen-2-one |
|---|---|
| Synonyms |
4-hydroxy-7-methyl-2h-chromen-2-one
4-Hydroxy-7-methyl-cumarin 4-hydroxy-7-methylycoumarin 7-methyl-4-hydroxycoumarin 4-Hydroxy-7-methylcoumarin 4-hydroxy-7-methyl-chromen-2-one 2-hydroxy-7-methylchromen-4-one |
| Melting Point | 216 °C |
|---|---|
| Molecular Formula | C10H8O3 |
| Molecular Weight | 176.16900 |
| Exact Mass | 176.04700 |
| PSA | 50.44000 |
| LogP | 1.80700 |
| Hazard Codes | Xi: Irritant; |
|---|---|
| HS Code | 2932209090 |
| Precursor 4 | |
|---|---|
| DownStream 4 | |
![2,2,8-trimethylpyrano[3,2-c]chromen-5-one structure](https://www.chemsrc.com/caspic/464/88538-39-0.png)
![8-methoxy-2,2,7-trimethylpyrano[3,2-c]chromen-5-one structure](https://www.chemsrc.com/caspic/109/88538-40-3.png)
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |