3',5-DIHYDROXY-4',5',6,7-TETRAMETHOXYFLAVONE
- 中文名称:
- 3',5-DIHYDROXY-4',5',6,7-TETRAMETHOXYFLAVONE
- 中文别名:
- 5-hydroxy-2-(3-hydroxy-4,5-dimethoxyphenyl)-6,7-dimethoxychromen-4-one
- 英文名称:
- 4H-1-Benzopyran-4-one,5-hydroxy-2-(3-hydroxy-4,5-dimethoxyphenyl)-6,7-dimethoxy-
- 英文别名:
- 5-hydroxy-2-(3-hydroxy-4,5-dimethoxyphenyl)-6,7-dimethoxychromen-4-one;
3',5-Dihydroxy-4',5',6,7-tetramethoxyflavone;
W1631;
5,3'-Dihydroxy-6,7,4',5'-tetramethoxyflavone
- CAS No.:
- 111537-41-8
- 分 子 式:
-
C19H18O8
- 分 子 量:
- 374.3414
- 精确分子量:
- 374.10000
- PSA:
- 107.59000
- InChI:
- The Key: WVDMIOIJGFCRJQ-UHFFFAOYSA-N3
- 分子结构式:
-
- SDS:
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3',5-DIHYDROXY-4',5',6,7-TETRAMETHOXYFLAVONE 物化性质
- 密度:
- 1.375g/cm3
- 沸点:
- 614.3ºC at 760mmHg
- 闪点:
- 222.1ºC
- 折射率:
- 1.612
- 蒸汽压:
- 1.1E-15mmHg at 25°C
3',5-DIHYDROXY-4',5',6,7-TETRAMETHOXYFLAVONE 安全信息
3',5-DIHYDROXY-4',5',6,7-TETRAMETHOXYFLAVONE 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%