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2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3,6,8-trimethoxy-4H-1-benzopyran-4-one

更新时间:2024-01-09 17:26:39

2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3,6,8-trimethoxy-4H-1-benzopyran-4-one结构式
2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3,6,8-trimethoxy-4H-1-benzopyran-4-one结构式
品牌特惠专场
常用名 2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3,6,8-trimethoxy-4H-1-benzopyran-4-one 英文名 2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3,6,8-trimethoxy-4H-1-benzopyran-4-one
CAS号 61451-85-2 分子量 376.31400
密度 1.63g/cm3 沸点 730ºC at 760 mmHg
分子式 C18H16O9 熔点 N/A
MSDS N/A 闪点 267.7ºC

 名称

英文名 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3,6,8-trimethoxychromen-4-one
英文别名 更多

 物理化学性质

密度 1.63g/cm3
沸点 730ºC at 760 mmHg
分子式 C18H16O9
分子量 376.31400
闪点 267.7ºC
精确质量 376.07900
PSA 138.82000
LogP 2.30820
折射率 1.707

 安全信息

海关编码 2914509090

 合成线路

~%

2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3,6,8-trimethoxy-4H-1-benzopyran-4-one结构式

2-(3,4-Dihydrox...

61451-85-2

文献:Horie, Tokunaru; Kitou, Takeshi; Kawamura, Yasuhiko; Yamashita, Kazuyo Bulletin of the Chemical Society of Japan, 1996 , vol. 69, # 4 p. 1033 - 1041

~%

2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3,6,8-trimethoxy-4H-1-benzopyran-4-one结构式

2-(3,4-Dihydrox...

61451-85-2

文献:Horie, Tokunaru; Kitou, Takeshi; Kawamura, Yasuhiko; Yamashita, Kazuyo Bulletin of the Chemical Society of Japan, 1996 , vol. 69, # 4 p. 1033 - 1041

~%

2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3,6,8-trimethoxy-4H-1-benzopyran-4-one结构式

2-(3,4-Dihydrox...

61451-85-2

文献:Horie, Tokunaru; Kitou, Takeshi; Kawamura, Yasuhiko; Yamashita, Kazuyo Bulletin of the Chemical Society of Japan, 1996 , vol. 69, # 4 p. 1033 - 1041

~%

2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3,6,8-trimethoxy-4H-1-benzopyran-4-one结构式

2-(3,4-Dihydrox...

61451-85-2

文献:Horie, Tokunaru; Kitou, Takeshi; Kawamura, Yasuhiko; Yamashita, Kazuyo Bulletin of the Chemical Society of Japan, 1996 , vol. 69, # 4 p. 1033 - 1041

~%

2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3,6,8-trimethoxy-4H-1-benzopyran-4-one结构式

2-(3,4-Dihydrox...

61451-85-2

文献:Horie, Tokunaru; Kitou, Takeshi; Kawamura, Yasuhiko; Yamashita, Kazuyo Bulletin of the Chemical Society of Japan, 1996 , vol. 69, # 4 p. 1033 - 1041

~%

2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3,6,8-trimethoxy-4H-1-benzopyran-4-one结构式

2-(3,4-Dihydrox...

61451-85-2

文献:Horie, Tokunaru; Kitou, Takeshi; Kawamura, Yasuhiko; Yamashita, Kazuyo Bulletin of the Chemical Society of Japan, 1996 , vol. 69, # 4 p. 1033 - 1041

~%

2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3,6,8-trimethoxy-4H-1-benzopyran-4-one结构式

2-(3,4-Dihydrox...

61451-85-2

文献:Horie, Tokunaru; Kitou, Takeshi; Kawamura, Yasuhiko; Yamashita, Kazuyo Bulletin of the Chemical Society of Japan, 1996 , vol. 69, # 4 p. 1033 - 1041

~%

2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3,6,8-trimethoxy-4H-1-benzopyran-4-one结构式

2-(3,4-Dihydrox...

61451-85-2

文献:Horie, Tokunaru; Kitou, Takeshi; Kawamura, Yasuhiko; Yamashita, Kazuyo Bulletin of the Chemical Society of Japan, 1996 , vol. 69, # 4 p. 1033 - 1041

 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

5,7,3',4'-tetrahydroxy-3,6,8-trimethoxyflavone