4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-3,7-dihydroxy-5-methoxy-
- 中文别名:杜鹃黄素; 2-(3,4-二羟基苯基)-3,7-二羟基-5-甲氧基苯并吡喃-4-酮
- 中文释义:杜鹃黄素;2-(3,4-二羟基苯基)-3,7-二羟基-5-甲氧基苯并吡喃-4-酮
- 英文别名:azaleatin;
Quercetin 5-methyl ether;
3,7,3',4'-tetrahydroxy-5-methoxyflavone;
2-(3,4-dihydroxyphenyl)-3,7-dihydroxy-5-methoxychromen-4-one;
Azaleatin;
5-O-Methyl Quercetin
- CAS No.:529-51-1
- 分子式:C16H12O7
- 分子量:316.26
- 精确分子量:316.05800
- PSA:120.36000
- InChI:The Key: RJBAXROZAXAEEM-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.634g/cm3
- 沸点:
- 657.3ºC at 760mmHg
- 闪点:
- 250.2ºC
- 折射率:
- 1.74
安全信息
- 密度:
- 1.634g/cm3
- 沸点:
- 657.3ºC at 760mmHg
- 闪点:
- 250.2ºC
- 折射率:
- 1.74
海关数据
中国海关编码:2914509090
- 概述:
- 2914509090 含其他含氧基的酮. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0%
- 申报要素:
- 品名, 成分含量, 用途, 丙酮报明包装
- 摘要/Summary:
- HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%