- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 5,7-Dimethoxy-3,3',4'-Trihydroxyflavone
- Price: Check
- Purity: 95.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 5,7-Dimethoxy-3,3',4'-Trihydroxyflavone
- Price: ￥3038.0/5mg
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- DC Chemicals Limited
- China
- Product Name: 5,7-Di-O-methylquercetin
- Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/1g
- Purity: 98.0%
- Stocking Period: 3 Day
- Contact: Tony Cao
- Email: sales@dcchemicals.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 5,7-Dimethoxy-3,3',4'-trihydroxyflavone
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
13459-07-9
13459-07-9 structure
- Name: 5,7-Dimethoxy-3,3',4'-Trihydroxyflavone
- Chemical Name: 2-(3,4-dihydroxyphenyl)-3-hydroxy-5,7-dimethoxychromen-4-one
- CAS Number: 13459-07-9
- Molecular Formula: C17H14O7
- Molecular Weight: 330.28900
- Create Date: 2017-04-15 08:27:45
- Modify Date: 2025-09-05 21:27:01
| Name | 2-(3,4-dihydroxyphenyl)-3-hydroxy-5,7-dimethoxychromen-4-one |
|---|---|
| Synonyms |
FLAVONE,5,7-DIMETHOXY-3,3',4'-TRIHYDROXY
2-(3,4-dihydroxy-phenyl)-3-hydroxy-5,7-dimethoxy-chromen-4-one 5,7-Dimethoxy-3,3',4'-trihydroxyflavone 4H-1-Benzopyran-4-one,5,7-dimethoxy-3-hydroxy-2-(3',4'-dihydroxyphenyl) 2-(3,4-Dihydroxy-phenyl)-3-hydroxy-5,7-dimethoxy-chromen-4-on 5,7-Di-O-methylquercetin 2-(3,4-dihydroxyphenyl)-3-hydroxy-5,7-dimethoxy-4H-chromen-4-one 5,7-O-dimethylquercetin |
| Density | 1.507g/cm3 |
|---|---|
| Boiling Point | 608.8ºC at 760 mmHg |
| Molecular Formula | C17H14O7 |
| Molecular Weight | 330.28900 |
| Flash Point | 228ºC |
| Exact Mass | 330.07400 |
| PSA | 109.36000 |
| LogP | 2.59400 |
| Vapour Pressure | 1.13E-15mmHg at 25°C |
| Index of Refraction | 1.681 |
| 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% |