3748-39-8
3748-39-8 structure
- Name: TMC-256B1
- Chemical Name: fonsecin
- CAS Number: 3748-39-8
- Molecular Formula: C15H14O6
- Molecular Weight: 290.26800
- Create Date: 2016-05-18 03:06:18
- Modify Date: 2025-11-26 08:10:59
| Name | fonsecin |
|---|---|
| Synonyms |
2,5,8-trihydroxy-6-methoxy-2-methyl-3H-benzo[g]chromen-4-one
4H-Naphtho(2,3-b)pyran-4-one,2,3-dihydro-2,5,8-trihydroxy-6-methoxy-2-methyl 2,5,8-trihydroxy-6-methoxy-2-methyl-2,3-dihydro-4H-benzo[g]chromen-4-one Fonsecin |
| Density | 1.494g/cm3 |
|---|---|
| Boiling Point | 599.5ºC at 760 mmHg |
| Molecular Formula | C15H14O6 |
| Molecular Weight | 290.26800 |
| Flash Point | 230.8ºC |
| Exact Mass | 290.07900 |
| PSA | 96.22000 |
| LogP | 1.93330 |
| Index of Refraction | 1.695 |
| HS Code | 2914509090 |
|---|
| HS Code | 2914509090 |
|---|---|
| Summary | HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |