4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-7-hydroxy-3-methoxy-
- 中文别名:2-(3,4-二甲氧基苯基)-7-羟基-3-甲氧基-4H-苯并吡喃-4-酮
- 英文别名:2-(3,4-dimethoxyphenyl)-7-hydroxy-3-methoxychromen-4-one;
7-Hydroxy-3,3',4'-trimethoxyflavone;
3,3',4'-Trimethyl-fisetin;
Flavone,7-hydroxy-3,3',4-trimethoxy
- CAS No.:20979-41-3
- 分子式:C18H16O6
- 分子量:0
- 精确分子量:328.09500
- PSA:78.13000
- InChI:The Key: ZQUZXWQNKBZWMD-UHFFFAOYSA-N
- 分子结构式:
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%