英语词典化工词典

4H-1-Benzopyran-4-one,5-hydroxy-7-methoxy-2-(4-methoxyphenyl)-

4H-1-Benzopyran-4-one,5-hydroxy-7-methoxy-2-(4-methoxyphenyl)-


  • 中文别名:7,4-DI-O-METHYLAPIGENIN
  • 中文释义:5-羟基-4\',7-二甲氧基黄酮;芹菜素二甲醚
  • 英文别名:apigenin 7,4'-dimethyl ether;
    4',7-Dimethylapigenin;
    Genkwanin 4'-methyl ether;
    7,4'-di-O-methylapigenin;
    Apigenin 7,4'-dimethyl ether;
    5-Hydroxy-4',7-dimethoxyflavone;
    Apigenin dimethyl ether;
    5-hydroxy-7-methoxy-2-(4-methoxyphenyl)chromen-4-one;
    7,4'-dimethylapigenin;
    Apigenin 4',7-dimethyl ether 
  • CAS No.:5128-44-9
  • 分子式:C17H14O5
  • 分子量:298.29
  • 精确分子量:298.08400
  • PSA:68.90000
  • InChI:The Key: LZERJKGWTQYMBB-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.321g/cm3
沸点:
515.2ºC at 760 mmHg
闪点:
193.3ºC
折射率:
1.621

安全信息

密度:
1.321g/cm3
沸点:
515.2ºC at 760 mmHg
闪点:
193.3ºC
折射率:
1.621

海关数据

中国海关编码:2914509090

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
摘要/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%

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