- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 4H-1-Benzopyran-4-one,5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,6-dimethoxy-
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 4H-1-Benzopyran-4-one,5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,6-dimethoxy-
- Price: ￥3728.0/5mg
- Purity: 98.0%
- Stocking Period: 2 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-hydroxy-4-methoxyphenyl)-3,6-dimethoxy-
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
17313-52-9
17313-52-9 structure
- Name: 4H-1-Benzopyran-4-one,5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,6-dimethoxy-
- Chemical Name: centaureidin
- CAS Number: 17313-52-9
- Molecular Formula: C18H16O8
- Molecular Weight: 360.31500
- Create Date: 2018-03-25 08:00:00
- Modify Date: 2025-08-20 12:03:42
| Name | centaureidin |
|---|---|
| Synonyms |
5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,6-dimethoxychromen-4-one
6-hydroxyquercetin 3,6,4'-trimethyl ether quercetagetin-3,6,4'-trimethylether 5,7,3'-Trihydroxy-3,6,4'-trimethoxyflavone centauredin 3',5,7-trihydroxy-4',3,6-trimethoxyflavone |
| Density | 1.54g/cm3 |
|---|---|
| Boiling Point | 649.9ºC at 760mmHg |
| Molecular Formula | C18H16O8 |
| Molecular Weight | 360.31500 |
| Flash Point | 239.1ºC |
| Exact Mass | 360.08500 |
| PSA | 118.59000 |
| LogP | 2.60260 |
| Vapour Pressure | 1.08E-15mmHg at 25°C |
| Index of Refraction | 1.639 |
| 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% |