英语词典化工词典

4H-1-Benzopyran-4-one,5,7-dihydroxy-3-(3-hydroxy-4-methoxyphenyl)-6-methoxy-

4H-1-Benzopyran-4-one,5,7-dihydroxy-3-(3-hydroxy-4-methoxyphenyl)-6-methoxy-


  • 中文别名:鸢尾甲黄素B
  • 中文释义:鸢尾甲黄素B
  • 英文别名:4H-1-Benzopyran-4-one, 5,7-dihydroxy-3-(3-hydroxy-4-methoxyphenyl)-6-methoxy-;
    5,7-dihydroxy-3-(3-hydroxy-4-methoxyphenyl)-6-methoxychromen-4-one;
    4H-1-Benzopyran-4-one,5,7-dihydroxy-3-(3-hydroxy-4-methoxyphenyl)-6-methoxy;
    3',5,7-Trihydroxy-4',6-dimethoxyisoflavone;
    Iristectorigenin;
    5,7-Dihydroxy-3-(3-hydroxy-4-methoxyphenyl)-6-methoxy-4H-1-benzopyran-4-one;
    5,7-dihydroxy-3-(3-hydroxy-4-methoxy-phenyl)-6-methoxy-chromen-4-one;
    Iristectorigenin A 
  • CAS No.:86849-77-6
  • 分子式:C17H14O7
  • 分子量:330.2889
  • 精确分子量:330.07396
  • PSA:109.36000
  • InChI:The Key: WRZOUWHPDDOJNR-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.483±0.06 g/cm3
沸点:
621.2±55.0 °C
闪点:
232.8±25.0 °C
水溶解性:
Sparingly Soluble (0.27 g/L)
折射率:
1.67
蒸汽密度:
5.01E-16 Torr

安全信息

密度:
1.483±0.06 g/cm3
沸点:
621.2±55.0 °C
闪点:
232.8±25.0 °C
水溶解性:
Sparingly Soluble (0.27 g/L)
折射率:
1.67
蒸汽密度:
5.01E-16 Torr

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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