英文名 | 4,5-dihydroxychromen-2-one |
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英文别名 |
4,5-dihydroxy-chromen-2-one
4,5-Dihydroxy-cumarin 4,5-dihydroxycoumarin |
分子式 | C9H6O4 |
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分子量 | 178.14200 |
精确质量 | 178.02700 |
PSA | 70.67000 |
LogP | 1.20420 |
海关编码 | 2932209090 |
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~60% 30992-74-6 |
文献:Castleberry, Brian; Valente, Edward J.; Eggleston, Drake S. Journal of Crystallographic and Spectroscopic Research, 1990 , vol. 20, # 6 p. 583 - 593 |
~% 30992-74-6 |
文献:Desai; Sethna Journal of Organic Chemistry, 1957 , vol. 22, p. 388 |
~% 30992-74-6 |
文献:Ziegler et al. Monatshefte fuer Chemie, 1959 , vol. 90, p. 206,210 |
~% 30992-74-6 |
文献:Desai; Sethna Journal of Organic Chemistry, 1957 , vol. 22, p. 388 |
~% 30992-74-6 |
文献:Ziegler et al. Monatshefte fuer Chemie, 1959 , vol. 90, p. 206,210 |
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% |