中文名 | 3’,4’,5’,3,5,7,8-七甲氧基黄酮 |
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英文名 | 3,5,7,8-Tetramethoxy-2-(3,4,5-trimethoxyphenyl)-4H-chromen-4-one |
中文别名 |
3',4',5',3,5,7,8-七甲氧基黄酮
3`,4`,5`,3,5,7,8-七甲氧基黄酮 |
英文别名 |
3,5,7,8-Tetramethoxy-2-(3,4,5-trimethoxyphenyl)-4H-chromen-4-one
4H-1-Benzopyran-4-one, 3,5,7,8-tetramethoxy-2-(3,4,5-trimethoxyphenyl)- 3,5,7,7-tetrachloro-hept-2-ene 2-Heptene,3,5,7,7-tetrachloro |
描述 | 西贝西丁七甲醚是从各种药用植物中分离出来的天然产物[1]。 |
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相关类别 | |
参考文献 |
密度 | 1.3±0.1 g/cm3 |
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沸点 | 621.5±55.0 °C at 760 mmHg |
分子式 | C22H24O9 |
分子量 | 432.421 |
闪点 | 269.2±31.5 °C |
精确质量 | 432.142029 |
PSA | 94.82000 |
LogP | 1.65 |
外观性状 | 晶体 |
蒸汽压 | 0.0±1.8 mmHg at 25°C |
折射率 | 1.576 |
储存条件 | 2-8℃,干燥,密闭 |
危害码 (欧洲) | Xi |
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海关编码 | 2914509090 |
~% 21634-52-6 |
文献:Horie, Tokunaru; Tsukayama, Masao; Kawamura, Yasuhiko; Yamamoto, Shigeo Phytochemistry (Elsevier), 1988 , vol. 27, # 5 p. 1491 - 1496 |
~% 21634-52-6 |
文献:Rao; Seshadri Proceedings - Indian Academy of Sciences, Section A, 1948 , # 27 p. 104,109 |
~% 21634-52-6 |
文献:Rao et al. Proceedings - Indian Academy of Sciences, Section A, 1944 , # 19 p. 88,91 |
~% 21634-52-6 |
文献:Rao et al. Proceedings - Indian Academy of Sciences, Section A, 1944 , # 19 p. 88,91 |
~% 21634-52-6 |
文献:Rao; Seshadri Proceedings - Indian Academy of Sciences, Section A, 1947 , # 25 p. 444,445 |
~% 21634-52-6 |
文献:Rao; Seshadri Proceedings - Indian Academy of Sciences, Section A, 1947 , # 25 p. 444,445 |
上游产品 5 | |
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下游产品 0 |
海关编码 | 2914509090 |
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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% |