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4',5-二羟基-3',5',6,7-四甲氧基黄酮

更新时间:2024-01-09 10:48:33

4',5-二羟基-3',5',6,7-四甲氧基黄酮结构式
4',5-二羟基-3',5',6,7-四甲氧基黄酮结构式
品牌特惠专场
常用名 4',5-二羟基-3',5',6,7-四甲氧基黄酮 英文名 4',5-Dihydroxy-3',5',6,7-tetramethoxyflavone
CAS号 83133-17-9 分子量 374.341
密度 1.4±0.1 g/cm3 沸点 610.4±55.0 °C at 760 mmHg
分子式 C19H18O8 熔点 N/A
MSDS N/A 闪点 220.6±25.0 °C

 名称

中文名 4',5-二羟基-3',5',6,7-四甲氧基黄酮
英文名 5-Hydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)-6,7-dimethoxy-4H-chro men-4-one
英文别名 更多

 物理化学性质

密度 1.4±0.1 g/cm3
沸点 610.4±55.0 °C at 760 mmHg
分子式 C19H18O8
分子量 374.341
闪点 220.6±25.0 °C
精确质量 374.100159
PSA 107.59000
LogP 1.26
外观性状 黄色粉末
蒸汽压 0.0±1.8 mmHg at 25°C
折射率 1.613
储存条件 2-8℃,干燥,密闭

 安全信息

危害码 (欧洲) Xi
海关编码 2932999099

 合成线路

~%

4',5-二羟基-3',5',6,7-四甲氧基黄酮结构式

4',5-二羟基-3',5',...

83133-17-9

文献:Iinuma, Munekazu; Tanaka, Toshiyuki; Matsuura, Shin Chemical & Pharmaceutical Bulletin, 1984 , vol. 32, # 6 p. 2296 - 2300

~%

4',5-二羟基-3',5',6,7-四甲氧基黄酮结构式

4',5-二羟基-3',5',...

83133-17-9

文献:Iinuma, Munekazu; Tanaka, Toshiyuki; Matsuura, Shin Chemical & Pharmaceutical Bulletin, 1984 , vol. 32, # 6 p. 2296 - 2300

~%

4',5-二羟基-3',5',6,7-四甲氧基黄酮结构式

4',5-二羟基-3',5',...

83133-17-9

文献:Iinuma, Munekazu; Tanaka, Toshiyuki; Matsuura, Shin Chemical & Pharmaceutical Bulletin, 1984 , vol. 32, # 6 p. 2296 - 2300

~%

4',5-二羟基-3',5',6,7-四甲氧基黄酮结构式

4',5-二羟基-3',5',...

83133-17-9

文献:Bhardwaj, D. K.; Chand, Gyan; Jain, R. K.; Munjal, Anita Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1983 , vol. 22, # 9 p. 932 - 933

~%

4',5-二羟基-3',5',6,7-四甲氧基黄酮结构式

4',5-二羟基-3',5',...

83133-17-9

文献:Bhardwaj, D. K.; Chand, Gyan; Jain, R. K.; Munjal, Anita Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1983 , vol. 22, # 9 p. 932 - 933

 海关

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%

 英文别名

4H-1-Benzopyran-4-one, 5-hydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)-6,7-dimethoxy-
5-Hydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)-6,7-dimethoxy-4H-chromen-4-one
4',5-dihydroxyoxy-3',5',6,7-tetramethoxyflavone
5,4'-dihydroxy-3,3',7-trimethoxyflavone
quercetin 3,3',7-trimethyl ether
4',5-Dihydroxy-3,3',7-trimethoxyflavone
5,4'-dihydroxy-6,7,3',5'-tetramethoxyflavone
5,4'-dihydroxy-3,7,3'-trimethoxyflavone
Pachypodol
5,4'-dihydroxy-6,7,3',5'-teramethoxyflavone
Quercetin 3,7,3'-trimethyl ether
4',5-dihydroxy-3',5',6,7-tetramethoxyflavone
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