4H-1-Benzopyran-4-one,2,3-dihydro-7-hydroxy-5-methoxy-2-phenyl-, (2S)-
- 中文别名:山姜素; 山楂果提取物; (S)-7-羟基-5-甲氧基黄酮
- 中文释义:山姜素;(S)-7-羟基-5-甲氧基黄酮;山姜苷
- 英文别名:(S)-7-Hydroxy-5-methoxy-2-phenylchroman-4-one;
Alpinetin
- CAS No.:36052-37-6
- 分子式:C16H14O4
- 分子量:270.28
- 精确分子量:270.08900
- PSA:55.76000
- 分子结构式:
物化性质
- 密度:
- 1.386g/cm3
- 熔点:
- 223-224ºC
- 沸点:
- 511.1ºC at 760mmHg
- 闪点:
- 199.3ºC
安全信息
- 密度:
- 1.386g/cm3
- 熔点:
- 223-224ºC
- 沸点:
- 511.1ºC at 760mmHg
- 闪点:
- 199.3ºC
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%