4,4-dimethylisochromene-1,3-dione
- 中文别名:4,4-二甲基-4H-异色烯-1,3-二酮
- 中文释义:4,4-二甲基-4H-异色烯-1,3-二酮
- 英文别名:4,4-dimethylisochromene-1,3-dione;
4,4-Dimethyl-isochroman-1,3-dion;
4,4-Dimethylisochroman-1,3-dione
- CAS No.:31952-55-3
- 分子式:C11H10O3
- 分子量:190.19500
- 精确分子量:190.06300
- PSA:43.37000
- InChI:The Key: CIUOWARHXCWCAW-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%