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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

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?名称


















中文名

3’,4’,5’,3,5,7,8-七甲氧基黄酮
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




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3`,4`,5`,3,5,7,8-七甲氧基黄酮



英文别名
更多








?物理化学性质



































密度 1.3±0.1 g/cm3
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
蒸汽压 0.0±1.8 mmHg at 25°C
折射率 1.576






?安全信息
















海关编码 2914509090





?合成线路

































~%







3',4',5',3,5,7,8-七甲氧基黄酮结构式

3′,4′,5′,3,5,7,…

21634-52-6






文献:Horie, Tokunaru; Tsukayama, Masao; Kawamura, Yasuhiko; Yamamoto, Shigeo Phytochemistry (Elsevier), 1988 , vol. 27, # 5 p. 1491 – 1496





~%







3',4',5',3,5,7,8-七甲氧基黄酮结构式

3′,4′,5′,3,5,7,…

21634-52-6






文献:Rao; Seshadri Proceedings – Indian Academy of Sciences, Section A, 1948 , # 27 p. 104,109





~%







3',4',5',3,5,7,8-七甲氧基黄酮结构式

3′,4′,5′,3,5,7,…

21634-52-6






文献:Rao et al. Proceedings – Indian Academy of Sciences, Section A, 1944 , # 19 p. 88,91





~%







3',4',5',3,5,7,8-七甲氧基黄酮结构式

3′,4′,5′,3,5,7,…

21634-52-6






文献:Rao et al. Proceedings – Indian Academy of Sciences, Section A, 1944 , # 19 p. 88,91





~%







3',4',5',3,5,7,8-七甲氧基黄酮结构式

3′,4′,5′,3,5,7,…

21634-52-6






文献:Rao; Seshadri Proceedings – Indian Academy of Sciences, Section A, 1947 , # 25 p. 444,445









~%







3',4',5',3,5,7,8-七甲氧基黄酮结构式

3′,4′,5′,3,5,7,…

21634-52-6






文献:Rao; Seshadri Proceedings – Indian Academy of Sciences, Section A, 1947 , # 25 p. 444,445















?海关















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%










?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








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