英语词典化工词典

4H-1-Benzopyran-4-one,2-(3,4-dihydroxy-5-methoxyphenyl)-3,5,7-trihydroxy-

4H-1-Benzopyran-4-one,2-(3,4-dihydroxy-5-methoxyphenyl)-3,5,7-trihydroxy-


  • 中文别名:西伯利亚落叶松黄酮
  • 英文别名:2-(3,4-dihydroxy-5-methoxyphenyl)-3,5,7-trihydroxychromen-4-one;
    2-(3,4-dihydroxy-5-methoxy-phenyl)-3,5,7-trihydroxy-chromen-4-one;
    Myricetin-3'-methylether;
    3,4',5,5',7-Pentahydroxy-3'-methoxyflavone;
    3'-O-Methylmyricetin;
    myricetin-5'-O-methyl ether;
    Laricitrin 
  • CAS No.:53472-37-0
  • 分子式:C16H12O8
  • 分子量:0
  • 精确分子量:332.05300
  • PSA:140.59000
  • InChI:The Key: CFYMYCCYMJIYAB-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.73g/cm3
沸点:
667.4ºC at 760 mmHg
闪点:
252.6ºC
折射率:
1.772

安全信息

密度:
1.73g/cm3
沸点:
667.4ºC at 760 mmHg
闪点:
252.6ºC
折射率:
1.772

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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