英语词典化工词典

8-Hydroxy-3,5,7,3',4',5'-hexamethoxyflavone

8-Hydroxy-3,5,7,3',4',5'-hexamethoxyflavone


  • 中文别名:8-羟基-3,5,7,3’,4’,5’-六甲氧基黄酮标准品|对照品
  • 英文别名:8-Hydroxy-3,5,7-trimethoxy-2-(3,4,5-trimethoxyphenyl)-4H-chromen- 4-one;
    4H-1-Benzopyran-4-one, 8-hydroxy-3,5,7-trimethoxy-2-(3,4,5-trimethoxyphenyl)-;
    8-Hydroxy-3,5,7-trimethoxy-2-(3,4,5-trimethoxyphenyl)chromen-4-one;
    8-Hydroxy-3,5,7-trimethoxy-2-(3,4,5-trimethoxyphenyl)-4H-chromen-4-one 
  • CAS No.:202846-95-5
  • 分子式:C21H22O9
  • 分子量:418
  • 精确分子量:418.12600
  • PSA:105.82000
  • 分子结构式:

物化性质

密度:
1.371 g/cm3
沸点:
630.214ºC at 760 mmHg
闪点:
220.79ºC

安全信息

密度:
1.371 g/cm3
沸点:
630.214ºC at 760 mmHg
闪点:
220.79ºC

海关数据

中国海关编码:2932999099

概述:
2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素:
品名, 成分含量, 用途
摘要/Summary:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

热门化工词典词汇