2H-1-Benzopyran-3,5,7-triol,2-[3,4-bis(acetyloxy)phenyl]-3,4-dihydro-, 3,5,7-triacetate
- 中文别名:2-(3,4-二乙酰氧基苯基)-3,4-二氢-2H-苯并吡喃-3,5,7-三基三乙酸酯
- 英文别名:[5,7-diacetyloxy-2-(3,4-diacetyloxyphenyl)-3,4-dihydro-2H-chromen-3-yl] acetate;
Epicatechin pentaacetate;
EINECS 282-687-9
- CAS No.:84282-42-8
- 分子式:C25H24O11
- 分子量:500.45146
- 精确分子量:500.13200
- PSA:140.73000
- InChI:The Key: BKYWAYNSDFXIPL-JWQCQUIFSA-N
- 分子结构式:
物化性质
- 密度:
- 1.38g/cm3
- 沸点:
- 624.2ºC at 760 mmHg
- 闪点:
- 266.7ºC
- 折射率:
- 1.579
安全信息
- 密度:
- 1.38g/cm3
- 沸点:
- 624.2ºC at 760 mmHg
- 闪点:
- 266.7ºC
- 折射率:
- 1.579
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%