英语词典化工词典

4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-5-hydroxy-6,7,8-trimethoxy-

4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-5-hydroxy-6,7,8-trimethoxy-


  • 中文别名:去甲基川陈皮素
  • 中文释义:去甲基川陈皮素;5去甲川陈皮素
  • 英文别名:2-(3,4-dimethoxyphenyl)-5-hydroxy-6,7,8-trimethoxychromen-4-one;
    5-hydroxy-6,7,8,3',4'-pentamethoxyflavone;
    5-O-Demethylnobiletin;
    5-Demethylnobiletin;
    5-desmethylnobiletin;
    Demethylnobiletin;
    5-hydroxy-3',4',6,7,8-pentamethoxyflavone;
    5-desmethylnobeletin 
  • CAS No.:2174-59-6
  • 分子式:C20H20O8
  • 分子量:0
  • 精确分子量:388.11600
  • PSA:96.59000
  • InChI:The Key: DOFJNFPSMUCECH-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.304g/cm3
熔点:
145-146℃
沸点:
601.4ºC at 760mmHg
闪点:
213.9ºC
折射率:
1.582
蒸汽压:
4.68E-15mmHg at 25°C

安全信息

密度:
1.304g/cm3
熔点:
145-146℃
沸点:
601.4ºC at 760mmHg
闪点:
213.9ºC
折射率:
1.582
蒸汽压:
4.68E-15mmHg at 25°C

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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