5,7-二羟基-3,8,4'-三甲氧基黄酮结构式
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常用名 | 5,7-二羟基-3,8,4'-三甲氧基黄酮 | 英文名 | 5,7-Dihydroxy-3,4',8-trimethoxyflavone |
|---|---|---|---|---|
| CAS号 | 1570-09-8 | 分子量 | 344.32 | |
| 密度 | 1.5±0.1 g/cm3 | 沸点 | 577.3±50.0 °C at 760 mmHg | |
| 分子式 | C18H16O7 | 熔点 | N/A | |
| MSDS | N/A | 闪点 | 212.2±23.6 °C |
5,7-二羟基-3,8,4'-三甲氧基黄酮用途5,7-Dihydroxy-3,4',8-trimethoxyflavone (Substance E) 可以从 Conyza stricta Willd 中分离出来。 |
| 中文名 | 5,7-二羟基-3,4',8-三甲氧基黄酮 |
|---|---|
| 英文名 | 5,7-dihydroxy-3,8-dimethoxy-2-(4-methoxyphenyl)chromen-4-one |
| 英文别名 | 更多 |
| 密度 | 1.5±0.1 g/cm3 |
|---|---|
| 沸点 | 577.3±50.0 °C at 760 mmHg |
| 分子式 | C18H16O7 |
| 分子量 | 344.32 |
| 闪点 | 212.2±23.6 °C |
| 精确质量 | 344.089600 |
| PSA | 98.36000 |
| LogP | 1.66 |
| 蒸汽压 | 0.0±1.7 mmHg at 25°C |
| 折射率 | 1.654 |
| 储存条件 | 2-8°C,干燥,密封 |
| 危害码 (欧洲) | Xi |
|---|---|
| 海关编码 | 2932999099 |
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~31%
5,7-二羟基-3,8,4'-... 1570-09-8 |
| 文献:Horie, Tokunaru; Tsukayama, Masao; Kawamura, Yasuhiko; Seno, Masamichi Journal of Organic Chemistry, 1987 , vol. 52, # 21 p. 4702 - 4709 |
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~%
5,7-二羟基-3,8,4'-... 1570-09-8 |
| 文献:Horie, Tokunaru; Tsukayama, Masao; Kawamura, Yasuhiko; Seno, Masamichi Journal of Organic Chemistry, 1987 , vol. 52, # 21 p. 4702 - 4709 |
|
~%
5,7-二羟基-3,8,4'-... 1570-09-8 |
| 文献:Horie, Tokunaru; Tsukayama, Masao; Kawamura, Yasuhiko; Seno, Masamichi Journal of Organic Chemistry, 1987 , vol. 52, # 21 p. 4702 - 4709 |
|
~%
5,7-二羟基-3,8,4'-... 1570-09-8 |
| 文献:Zapesochnaya, G. G.; Kurkin, V. A.; Shchavlinskii, A. N. Chemistry of Natural Compounds, 1985 , vol. 21, # 4 p. 464 - 473 Khimiya Prirodnykh Soedinenii, 1985 , vol. 21, # 4 p. 496 - 507 |
| 海关编码 | 2932999099 |
|---|---|
| 中文概述 | 2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% |
| 申报要素 | 品名, 成分含量, 用途 |
| 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% |
| 5,7-Dihydroxy-3,4',8-trimethoxyflavone |
| 5,7-Dihydroxy-3,8,4'-trimethoxyflavone |
| 4H-1-Benzopyran-4-one, 5,7-dihydroxy-3,8-dimethoxy-2-(4-methoxyphenyl)- |
| W1654 |
| 3,8,4'-Trimethylherbacetin |
| 5,7-Dihydroxy-3,8-dimethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one |
| Herbacetin 3,8,4'-trimethyl ether |