| 中文名 | 2-(3,4-二甲氧基苯基)-5,7-二羟基-3-甲氧基-4-色酮 |
|---|---|
| 英文名 | 2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-3-methoxychromen-4-one |
| 英文别名 |
UNII-429X56Q8K5
quercetin 3,3',4'-tri-O-methyl ether Quercetin 3,3',4'-trimethyl ether 2-(3,4-Dimethoxy-phenyl)-5,7-dihydroxy-3-methoxy-chromen-4-on 5,3',4'-trimethoxy flavone 5,7-Dihydroxy-3,3',4'-trimethoxyflavone 2-(3,4-dimethoxy-phenyl)-5,7-dihydroxy-3-methoxy-chromen-4-one |
| 密度 | 1.45g/cm3 |
|---|---|
| 沸点 | 571.1ºC at 760mmHg |
| 分子式 | C18H16O7 |
| 分子量 | 344.31500 |
| 闪点 | 209.7ºC |
| 精确质量 | 344.09000 |
| PSA | 98.36000 |
| LogP | 2.89700 |
| 蒸汽压 | 1.21E-13mmHg at 25°C |
| 折射率 | 1.653 |
| 海关编码 | 2914509090 |
|---|
|
~74%
14549-84-9 |
| 文献：SHENOGEN PHARMA GROUP LTD. Patent: WO2009/129372 A1, 2009 ; Location in patent: Page/Page column 37 ; |
|
~%
14549-84-9 |
| 文献：Daskiewicz, Jean-Baptiste; Depeint, Flore; Viornery, Lionel; Bayet, Christine; Comte-Sarrazin, Geraldine; Comte, Gilles; Gee, Jennifer M.; Johnson, Ian T.; Ndjoko, Karine; Hostettmann, Kurt; Barron, Denis Journal of Medicinal Chemistry, 2005 , vol. 48, # 8 p. 2790 - 2804 |
|
~%
14549-84-9 |
| 文献：Lynch et al. Journal of the Chemical Society, 1952 , p. 2063,2067 |
| 上游产品 3 | |
|---|---|
| 下游产品 1 | |
| 海关编码 | 2914509090 |
|---|---|
| 中文概述 | 2914509090 含其他含氧基的酮. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0% |
| 申报要素 | 品名, 成分含量, 用途, 丙酮报明包装 |
| 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% |
