英语词典化工词典

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

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


  • 中文别名:红车轴草素
  • 中文释义:红车轴草素
  • 英文别名:pratensein;
    5,7,3'-trihydroxy-4'-methoxyisoflavone;
    5,7-dihydroxy-3-(3-hydroxy-4-methoxyphenyl)chromen-4-one;
    3',5,7-trihydroxy-4'-methoxyisoflavone;
    Pratensein;
    5,7,5'-trihydroxy-4'-methoxyisoflavone;
    3'-hydroxy-biochanin A 
  • CAS No.:2284-31-3
  • 分子式:C16H12O6
  • 分子量:300.26
  • 精确分子量:300.06300
  • PSA:100.13000
  • InChI:The Key: FPIOBTBNRZPWJW-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.512g/cm3
沸点:
576.7ºC at 760mmHg
闪点:
220.3ºC
折射率:
1.697
蒸汽压:
6.73E-14mmHg at 25°C

安全信息

密度:
1.512g/cm3
沸点:
576.7ºC at 760mmHg
闪点:
220.3ºC
折射率:
1.697
蒸汽压:
6.73E-14mmHg 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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