2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-oxo-4H-1-benzopyran-3-yl nicotinate结构式
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常用名 | 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-oxo-4H-1-benzopyran-3-yl nicotinate | 英文名 | 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-oxo-4H-1-benzopyran-3-yl nicotinate |
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| CAS号 | 1556-70-3 | 分子量 | 407.33000 | |
| 密度 | 1.72g/cm3 | 沸点 | 712.2ºC at 760mmHg | |
| 分子式 | C21H13NO8 | 熔点 | N/A | |
| MSDS | N/A | 闪点 | 384.5ºC |
| 英文名 | [2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-oxochromen-3-yl] pyridine-3-carboxylate |
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| 英文别名 | 更多 |
| 密度 | 1.72g/cm3 |
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| 沸点 | 712.2ºC at 760mmHg |
| 分子式 | C21H13NO8 |
| 分子量 | 407.33000 |
| 闪点 | 384.5ºC |
| 精确质量 | 407.06400 |
| PSA | 150.32000 |
| LogP | 2.89660 |
| 蒸汽压 | 5.84E-21mmHg at 25°C |
| 折射率 | 1.789 |
| 海关编码 | 2934999090 |
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| 海关编码 | 2934999090 |
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| 中文概述 | 2934999090. 其他杂环化合物. 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 |
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
| 3-Pyridinecarboxylicacid,2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-oxo-4H-1-benzopyran-3-yl ester |
| Nicotinicacid,3-ester with 3,3',4',5,7-pentahydroxyflavone (7CI) |
| 2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-4-oxo-4H-1-benzopyran-3-yl nicotinate |
| Quercetin-nicotinat |
| EINECS 216-312-7 |
