4H-1-Benzopyran-4-one,5,7-dihydroxy-3,8-dimethoxy-2-(4-methoxyphenyl)-
- 中文别名:5,7-DIHYDROXY-3,4\',8-TRIMETHOXYFLAVONE
- 英文别名:5,7-dihydroxy-3,8-dimethoxy-2-(4-methoxyphenyl)chromen-4-one;
5,7-Dihydroxy-3,8,4'-trimethoxyflavone;
5,7-Dihydroxy-3,4',8-trimethoxyflavone;
W1654;
3,8,4'-Trimethylherbacetin;
Herbacetin 3,8,4'-trimethyl ether
- CAS No.:1570-09-8
- 分子式:C18H16O7
- 分子量:344
- 精确分子量:344.09000
- PSA:98.36000
- InChI:The Key: RXQVMRRNRHSOTC-UHFFFAOYSA-N
- 分子结构式:
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%