2-(3,4-二甲氧苯基)-3-羟基-5,7-二甲氧基-4H-苯并吡喃-4-酮

• 常用名: 2-(3,4-二甲氧苯基)-3-羟基-5,7-二甲氧基-4H-苯并吡喃-4-酮
• 英文名: 4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy
• CAS号: 1244-78-6
• 分子量: 358.34200
• 密度: 1.325g/cm3
• 沸点: 550.9ºC at 760mmHg
• 分子式: C₁₉H₁₈O₇
• 熔点: 195.6 °C
• 闪点: 198.3ºC

名称

• 中文名: 2-(3,4-二甲氧苯基)-3-羟基-5,7-二甲氧基-4H-苯并吡喃-4-酮
• 英文名: quercetin 5,7,3',4'-tetramethyl ether

物理化学性质

• 密度: 1.325g/cm3
• 沸点: 550.9ºC at 760mmHg
• 熔点: 195.6 °C
• 分子式: C₁₉H₁₈O₇
• 分子量: 358.34200
• 闪点: 198.3ºC
• 精确质量: 358.10500
• PSA: 87.36000
• LogP: 3.20000
• InChIKey: AAASNKNLMQBKFV-UHFFFAOYSA-N
• SMILES: COc1cc(OC)c2c(=O)c(O)c(-c3ccc(OC)c(OC)c3)oc2c1
• 外观性状: 固体
• 蒸汽压: 5.7E-13mmHg at 25°C
• 折射率: 1.6
• 储存条件: 2-8°C， 干燥

安全信息

• 危害码 (欧洲): Xn
• 海关编码: 2914509090

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%

靶点实验

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英文别名

• 2-(3,4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxychromen-4-one
• 3-hydroxy-3',4',5,7-tetramethoxyflavone
• 5,7,3',4'-tetra-O-methylquercetin