2H-1-Benzopyran-2-one,4-(3,4-dimethoxyphenyl)-3,4-dihydro-7-methoxy-结构式
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常用名 | 2H-1-Benzopyran-2-one,4-(3,4-dimethoxyphenyl)-3,4-dihydro-7-methoxy- | 英文名 | 2H-1-Benzopyran-2-one,4-(3,4-dimethoxyphenyl)-3,4-dihydro-7-methoxy- |
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| CAS号 | 35582-80-0 | 分子量 | 314.33300 | |
| 密度 | 1.208g/cm3 | 沸点 | 431.6ºC at 760 mmHg | |
| 分子式 | C18H18O5 | 熔点 | N/A | |
| MSDS | N/A | 闪点 | 189.9ºC |
| 英文名 | 4-(3,4-dimethoxyphenyl)-7-methoxy-3,4-dihydrochromen-2-one |
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| 密度 | 1.208g/cm3 |
|---|---|
| 沸点 | 431.6ºC at 760 mmHg |
| 分子式 | C18H18O5 |
| 分子量 | 314.33300 |
| 闪点 | 189.9ºC |
| 精确质量 | 314.11500 |
| PSA | 53.99000 |
| LogP | 3.15340 |
| 折射率 | 1.564 |
| 海关编码 | 2932209090 |
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|
~76%
2H-1-Benzopyran... 35582-80-0 |
| 文献：Shukla, Manojkumar R.; Patil, Prashant N.; Wadgaonkar, Prakash P.; Joshi, Prafulla N.; Salunkhe, Manikrao M. Synthetic Communications, 2000 , vol. 30, # 1 p. 39 - 42 |
|
~78%
2H-1-Benzopyran... 35582-80-0 |
| 文献：Shukla; Padiya; Patil; Salunkhe Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1999 , vol. 38, # 3 p. 372 - 375 |
|
~%
2H-1-Benzopyran... 35582-80-0 |
| 文献：Appel et al. Journal of the Chemical Society, 1937 , p. 738,742 |
|
~%
2H-1-Benzopyran... 35582-80-0 |
| 文献：Appel et al. Journal of the Chemical Society, 1937 , p. 738,742 |
|
~%
2H-1-Benzopyran... 35582-80-0 |
| 文献：Appel et al. Journal of the Chemical Society, 1937 , p. 738,742 |
|
~%
2H-1-Benzopyran... 35582-80-0 |
| 文献：Appel et al. Journal of the Chemical Society, 1937 , p. 738,742 |
| 海关编码 | 2932209090 |
|---|---|
| 中文概述 | 2932209090. 其他内酯. 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 | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
