5,7-dimethoxy-2-(2-methoxyphenyl)chromen-4-one
- 中文别名:5,7-二甲氧基-2-(2-甲氧基苯基)-4H-色烯-4-酮
- 中文释义:5,7-二甲氧基-2-(2-甲氧基苯基)-4H-色烯-4-酮
- 英文别名:5,7-dimethoxy-2-(2-methoxyphenyl)chromen-4-one;
Di-O-methyl-echioidinin;
5,7,2'-Trimethoxyflavone;
2',5,7-Trimethoxyflavon
- cas No.:4308-57-0
- 分子式:C18H16O5
- 分子量:312.31700
- 精确分子量:312.10000
- PSA:57.90000
- InChI:The Key: IAVDTHSFRQVKKU-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%