5,7-dimethoxy-2-(4-methoxyphenyl)-3,4-dihydro-2H-chromene
5,7-dimethoxy-2-(4-methoxyphenyl)-3,4-dihydro-2H-chromene结构式
|
常用名 | 5,7-dimethoxy-2-(4-methoxyphenyl)-3,4-dihydro-2H-chromene | 英文名 | 5,7-dimethoxy-2-(4-methoxyphenyl)-3,4-dihydro-2H-chromene |
|---|---|---|---|---|
| CAS号 | 4225-32-5 | 分子量 | 300.34900 | |
| 密度 | N/A | 沸点 | N/A | |
| 分子式 | C18H20O4 | 熔点 | N/A | |
| MSDS | N/A | 闪点 | N/A |
| 英文名 | 5,7-dimethoxy-2-(4-methoxyphenyl)-3,4-dihydro-2H-chromene |
|---|---|
| 英文别名 | 更多 |
| 分子式 | C18H20O4 |
|---|---|
| 分子量 | 300.34900 |
| 精确质量 | 300.13600 |
| PSA | 36.92000 |
| LogP | 3.77870 |
| 海关编码 | 2932999099 |
|---|
|
~%
5,7-dimethoxy-2... 4225-32-5 |
| 文献：King et al. Journal of the Chemical Society, 1955 , p. 2948,2954 |
|
~%
5,7-dimethoxy-2... 4225-32-5 |
| 文献：King et al. Journal of the Chemical Society, 1955 , p. 2948,2954 |
|
~%
5,7-dimethoxy-2... 4225-32-5 |
| 文献：King et al. Journal of the Chemical Society, 1955 , p. 2948,2954 |
|
~%
5,7-dimethoxy-2... 4225-32-5 |
| 文献：King et al. Journal of the Chemical Society, 1955 , p. 2948,2954 |
|
~90%
5,7-dimethoxy-2... 4225-32-5 |
| 文献：Selenski, Carolyn; Pettus, Thomas R.R. Tetrahedron, 2006 , vol. 62, # 22 p. 5298 - 5307 |
| 海关编码 | 2932999099 |
|---|---|
| 中文概述 | 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 |
| 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% |
| 4',5,7-Trimethoxy-flavan |
| 5,7,4'-Trimethoxyflavan |
