7-Hydroxy-5,8-dimethoxy-2-phenylchroman-4-one
- 中文别名:7-羟基-5,8-二甲氧基黄烷酮标准品|对照品
- 中文释义:7-羟基-5,8-二甲氧基黄烷酮
- 英文别名:7-Hydroxy-5,8-dimethoxy-2-phenylchroman-4-one;
7-hydroxy-5,8-dimethoxy-2-phenyl-2,3-dihydrochromen-4-one
- CAS No.:54377-24-1
- 分子式:C17H16O5
- 分子量:300.30600
- 精确分子量:300.10000
- PSA:64.99000
- InChI:
- 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%