中文名 | 8,9-二羟基-2-甲基-5H-吡喃并[3,2-C]苯并吡喃-4-酮 |
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英文名 | 8,9-dihydroxy-2-methyl-5H-pyrano[3,2-c]chromen-4-one |
英文别名 |
Citromycin
8,9-Dihydroxy-2-methyl-5H-pyrano[3,2-c]chromen-4-on 4H,5H-Pyrano(3,2-c)(1)benzopyran-4-one,8,9-dihydroxy-2-methyl |
密度 | 1.56g/cm3 |
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沸点 | 591.1ºC at 760 mmHg |
分子式 | C13H10O5 |
分子量 | 246.21500 |
闪点 | 236.7ºC |
精确质量 | 246.05300 |
PSA | 79.90000 |
LogP | 1.91880 |
外观性状 | 黄色粉末 |
折射率 | 1.703 |
储存条件 | 室温 |
海关编码 | 2932999099 |
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~90% 37209-30-6 |
文献:Evans, Geoffrey E.; Staunton, James Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1988 , p. 755 - 762 |
~% 37209-30-6 |
文献:Robertson; Whalley Journal of the Chemical Society, 1949 , p. 848,857 Full Text Show Details Hetherington; Raistrick Philosophical Transactions of the Royal Society of London, 1931 , vol. 220, p. 209,237, 238 |
上游产品 2 | |
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下游产品 0 |
海关编码 | 2932999099 |
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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% |