- 中文名称:
-
- 中文别名:
-
- 英文名称:
- 4,9-dimethoxy-7-methyl-6,7-dihydrofuro[3,2-g]chromen-5-one
- 英文别名:
- 4,9-dimethoxy-7-methyl-6,7-dihydrofuro[3,2-g]chromen-5-one;
5H-Furo(3,2-g)(1)benzopyran-5-one, 6,7-dihydro-4,9-dimethoxy-7-methyl-;
6,7-Dihydro-4,9-dimethoxy-7-methyl-5H-furo(3,2-g)(1)benzopyran-5-one;
4,9-dimethoxy-7-methyl-6,7-dihydro-5H-furo[3,2-g]chromen-5-one
- CAS No.:
- 3380-63-0
- 分 子 式:
-
C14H14O5
- 分 子 量:
- 262.25800
- 精确分子量:
- 262.08400
- PSA:
- 57.90000
- InChI:
- The Key: NFGITZRVXSPEMA-UHFFFAOYSA-N3
- 分子结构式:
-
- SDS:
- 查看
物化性质
- 密度:
- 1.256g/cm3
- 沸点:
- 429.4ºC at 760 mmHg
- 闪点:
- 213.5ºC
- 折射率:
- 1.568
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%