- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 5,7-Dihydroxy-3',4',5'-trimethoxyflavone
- Price: Check
- Purity: 99.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 5,7-Dihydroxy-3',4',5'-trimethoxyflavone
- Price: ￥3520.0/5mg
- Purity: 98.0%
- Stocking Period: 3 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 4H-1-Benzopyran-4-one,5,7-dihydroxy-2-(3,4,5-trimethoxyphenyl)-
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
18103-42-9
18103-42-9 structure
- Name: 5,7-Dihydroxy-3',4',5'-trimethoxyflavone
- Chemical Name: 3',4',5'-O-trimethyltricetin
- CAS Number: 18103-42-9
- Molecular Formula: C18H16O7
- Molecular Weight: 344.31500
- Catalog: Natural product Flavonoids
- Create Date: 2019-01-26 08:20:08
- Modify Date: 2025-08-27 09:59:02
| Name | 3',4',5'-O-trimethyltricetin |
|---|---|
| Synonyms |
tricetin 3',4',5'-trimethyl ether
5,7-Dihydroxy-3',4',5'-trimethoxyflavone 3',4',5'-trimethyltricetin 5,7-dihydroxy-2-(3,4,5-trimethoxyphenyl)chromen-4-one |
| Density | 1.387g/cm3 |
|---|---|
| Boiling Point | 562.4ºC at 760mmHg |
| Melting Point | 266-276ºC |
| Molecular Formula | C18H16O7 |
| Molecular Weight | 344.31500 |
| Flash Point | 206.2ºC |
| Exact Mass | 344.09000 |
| PSA | 98.36000 |
| LogP | 2.89700 |
| Vapour Pressure | 2.96E-13mmHg at 25°C |
| Index of Refraction | 1.627 |
| Hazard Codes | Xi |
|---|---|
| HS Code | 2914509090 |
|
~36%
18103-42-9 |
| Literature: Gao, Hong; Kawabata, Jun Bioscience, Biotechnology and Biochemistry, 2004 , vol. 68, # 9 p. 1858 - 1864 |
|
~97%
18103-42-9 |
| Literature: Seijas, Julio A.; Vazquez-Tato, M. Pilar; Carballido-Reboredo, Raquel Journal of Organic Chemistry, 2005 , vol. 70, # 7 p. 2855 - 2858 |
|
~%
18103-42-9 |
| Literature: Gothelf, Kurt V.; Torssell, Kurt B. G. Acta Chemica Scandinavica, 1994 , vol. 48, # 1 p. 61 - 67 |
|
~%
18103-42-9 |
| Literature: Rao et al. Proceedings - Indian Academy of Sciences, Section A, 1949 , # 29 p. 72,75 Full Text Show Details Anderson Canadian Journal of Research, 1932 , vol. 7, p. 285,289 Full Text Show Details Badhwar; Kang; Venkataraman Journal of the Chemical Society, 1932 , p. 1107,1108 |
|
~%
18103-42-9 |
| Literature: Anderson Canadian Journal of Research, 1932 , vol. 7, p. 285,289 |
| Precursor 6 | |
|---|---|
| DownStream 3 | |
| 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% |