20728-73-8
20728-73-8 structure
- Name: (2R-trans)-2-[3,4-bis(phenylmethoxy)phenyl]-3,4-dihydro-5,7-bis(phenylmethoxy)-2H-1-benzopyran-3-ol
- Chemical Name: (2R,3S)-2-[3,4-bis(phenylmethoxy)phenyl]-5,7-bis(phenylmethoxy)-3,4-dihydro-2H-chromen-3-ol
- CAS Number: 20728-73-8
- Molecular Formula: C43H38O6
- Molecular Weight: 650.75800
- Create Date: 2016-04-30 09:14:20
- Modify Date: 2024-01-11 19:24:15
| Name | (2R,3S)-2-[3,4-bis(phenylmethoxy)phenyl]-5,7-bis(phenylmethoxy)-3,4-dihydro-2H-chromen-3-ol |
|---|---|
| Synonyms |
EINECS 243-993-8
5,7,3',4'-Tetra-O-benzylcatechin |
| Density | 1.234g/cm3 |
|---|---|
| Boiling Point | 813.8ºC at 760mmHg |
| Molecular Formula | C43H38O6 |
| Molecular Weight | 650.75800 |
| Flash Point | 445.9ºC |
| Exact Mass | 650.26700 |
| PSA | 66.38000 |
| LogP | 9.03970 |
| Vapour Pressure | 0mmHg at 25°C |
| Index of Refraction | 1.643 |
| HS Code | 2932999099 |
|---|
| Precursor 9 | |
|---|---|
| DownStream 7 | |
![(+)-(1S,2S)-3-[2,4-bis(benzyloxy)-6-hydroxyphenyl]-1-[3,4-bis(benzyloxy)phenyl]propane-1,2-diol structure](https://image.chemsrc.com/caspic/255/732298-11-2.png)
![(2R)-2-[3,4-bis(phenylmethoxy)phenyl]-5,7-bis(phenylmethoxy)-4H-chromen-3-one structure](https://image.chemsrc.com/caspic/087/87292-54-4.png)
![ethyl 3-[3,4-bis(phenylmethoxy)phenyl]prop-2-enoate structure](https://image.chemsrc.com/caspic/218/203571-40-8.png)
| 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% |