8-羟基-3,5,7,3’,4’,5’-六甲氧基黄酮标准品|对照品
- 中文名称:
- 8-羟基-3,5,7,3’,4’,5’-六甲氧基黄酮标准品|对照品
- 中文别名:
-
- 英文名称:
- 8-Hydroxy-3,5,7,3',4',5'-hexamethoxyflavone
- 英文别名:
- 8-Hydroxy-3,5,7-trimethoxy-2-(3,4,5-trimethoxyphenyl)-4H-chromen- 4-one;
4H-1-Benzopyran-4-one, 8-hydroxy-3,5,7-trimethoxy-2-(3,4,5-trimethoxyphenyl)-;
8-Hydroxy-3,5,7-trimethoxy-2-(3,4,5-trimethoxyphenyl)chromen-4-one;
8-Hydroxy-3,5,7-trimethoxy-2-(3,4,5-trimethoxyphenyl)-4H-chromen-4-one
- CAS No.:
- 202846-95-5
- 分 子 式:
-
C21H22O9
- 分 子 量:
- 418
- 精确分子量:
- 418.12600
- PSA:
- 105.82000
- SDS:
- 查看
8-羟基-3,5,7,3’,4’,5’-六甲氧基黄酮标准品|对照品 物化性质
- 密度:
- 1.371 g/cm3
- 沸点:
- 630.214ºC at 760 mmHg
- 闪点:
- 220.79ºC
8-羟基-3,5,7,3’,4’,5’-六甲氧基黄酮标准品|对照品 安全信息
8-羟基-3,5,7,3’,4’,5’-六甲氧基黄酮标准品|对照品 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%