3',4',5',3,5,7,8-七甲氧基黄酮

更新时间:2024-01-09 14:25:22

3',4',5',3,5,7,8-七甲氧基黄酮结构式
3',4',5',3,5,7,8-七甲氧基黄酮结构式
品牌特惠专场
常用名 3',4',5',3,5,7,8-七甲氧基黄酮 英文名 3,3',4',5,5',7,8-Heptamethoxyflavone
CAS号 21634-52-6 分子量 432.421
密度 1.3±0.1 g/cm3 沸点 621.5±55.0 °C at 760 mmHg
分子式 C22H24O9 熔点 N/A
MSDS N/A 闪点 269.2±31.5 °C

 用途


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]。

 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 | 3`,4`,5`,3,5,7,8-七甲氧基黄酮
英文别名 更多

 生物活性

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]。
相关类别
参考文献

[1]. Azizuddin, et al. Tyrosinase inhibitory potential of natural products isolated from various medicinal plants. Nat Prod Res. 2011 Apr;25(7):750-3.  

 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
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

 安全信息

危害码 (欧洲) Xi
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