4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-2-(4-hydroxyphenyl)-6,8-dimethyl-, (2S)-
- 中文别名:杜鹃素; 5,7-二羟基-2-(4-羟基苯基)-6,8-二甲基-2,3-二氢苯并吡喃-4-酮
- 中文释义:杜鹃素;5,7-二羟基-2-(4-羟基苯基)-6,8-二甲基-2,3-二氢苯并吡喃-4-酮
- 英文别名:5,7-dihydroxy-2-(4-hydroxyphenyl)-6,8-dimethyl-2,3-dihydrochromen-4-one;
matteucinol;
6,8-dimethyl-5,7,4'-trihydroxyflavanone;
farresol;
Farrerol;
5,7-Dihydroxy-2-(4-hydroxyphenyl)-6,8-dimethylchroman-4-one
- CAS No.:24211-30-1
- 分子式:C17H16O5
- 分子量:300.31
- 精确分子量:300.10000
- PSA:86.99000
- InChI:InChI=1/C17H16O5/c1-8-15(20)9(2)17-14(16(8)21)12(19)7-13(22-17)10-3-5-11(18)6-4-10/h3-6,13,18,20-21H,7H2,1-2H3/t13-/m0/s1
- 分子结构式:
物化性质
- 密度:
- 1.391g/cm3
- 沸点:
- 583ºC at 760mmHg
- 闪点:
- 219.7ºC
- 折射率:
- 1.662
- 蒸汽压:
- 3.44E-14mmHg at 25°C
安全信息
- 密度:
- 1.391g/cm3
- 沸点:
- 583ºC at 760mmHg
- 闪点:
- 219.7ºC
- 折射率:
- 1.662
- 蒸汽压:
- 3.44E-14mmHg 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%