英文名 | 6-methoxy-4-oxochromene-2-carboxylic acid |
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英文别名 |
6-methoxy-4-oxo-4H-chromene-2-carboxylic acid
6-methoxy-4-oxo-4H-1-benzopyran-2-carboxylic acid 6-methoxychromone-2-carboxylic acid 6-methoxychromenone-2-carboxylic acid 6-Methoxy-4-oxo-4H-chromen-2-carbonsaeure 4H-1-Benzopyran-2-carboxylic acid,6-methoxy-4-oxo |
分子式 | C11H8O5 |
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分子量 | 220.17800 |
精确质量 | 220.03700 |
PSA | 76.74000 |
LogP | 1.49980 |
海关编码 | 2918990090 |
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~% 86277-98-7 |
文献:Wiley Journal of the American Chemical Society, 1952 , vol. 74, p. 4326 |
海关编码 | 2918990090 |
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中文概述 | 2918990090. 其他含其他附加含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 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:30.0% |
申报要素 | 品名, 成分含量, 用途 |
Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |