英文名 | 3,4-Diphenyl-7-hydroxycoumarin |
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英文别名 |
7-Hydroxy-3,4-diphenyl-cumarin
7-Hydroxy-3,4-diphenylcoumarin 7-hydroxy-3,4-diphenyl-chromen-2-one |
分子式 | C21H14O3 |
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分子量 | 314.33400 |
精确质量 | 314.09400 |
PSA | 50.44000 |
LogP | 4.83260 |
海关编码 | 2932209090 |
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~% 3450-72-4 |
文献:Sabitha, G.; Rao, A. V. Subba Synthetic Communications, 1987 , vol. 17, # 3 p. 341 - 354 |
海关编码 | 2932209090 |
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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% |