2H-1-Benzopyran-3,5,7-triol,2-(3,5-dihydroxy-4-methoxyphenyl)-3,4-dihydro-, (2R,3R)-
- 中文别名:(2R,3R)-2-(3,5-二羟基-4-甲氧基-苯基)色满-3,5,7-三醇
- 英文别名:(-)-EGC-4'-O-ME;
4'-O-methyl-epigallocatechin
- CAS No.:17291-05-3
- 分子式:C16H16O7
- 分子量:320.29
- 精确分子量:320.09000
- PSA:119.61000
- InChI:The Key: ITDYPNOEEHONAH-UKRRQHHQSA-N
- 分子结构式:
物化性质
- 密度:
- 1.553g/cm3
- 沸点:
- 646.1ºC at 760mmHg
- 闪点:
- 344.5ºC
- 折射率:
- 1.706
- 蒸汽压:
- 1.41E-17mmHg at 25°C
安全信息
- 密度:
- 1.553g/cm3
- 沸点:
- 646.1ºC at 760mmHg
- 闪点:
- 344.5ºC
- 折射率:
- 1.706
- 蒸汽压:
- 1.41E-17mmHg at 25°C
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%