英语词典化工词典

4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3,6-dimethoxy-

4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3,6-dimethoxy-


  • 中文别名:甲氧基万寿菊素
  • 中文释义:甲氧基万寿菊素
  • 英文别名:axillarin;
    Quercetagetin 3,6-dimethyl ether;
    3',4',5,7-Tetrahydroxy-3,6-dimethoxyflavone;
    3,6-Dimethoxyquercetagetin;
    Axillarin;
    DMQT;
    2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3,6-dimethoxychromen-4-one 
  • CAS No.:5188-73-8
  • 分子式:C17H14O8
  • 分子量:0
  • 精确分子量:346.06900
  • PSA:129.59000
  • InChI:The Key: KIGVXRGRNLQNNI-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.65g/cm3
沸点:
684.7ºC at 760mmHg
闪点:
255.6ºC
折射率:
1.731

安全信息

密度:
1.65g/cm3
沸点:
684.7ºC at 760mmHg
闪点:
255.6ºC
折射率:
1.731

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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