中文名 | 12-羟基-6-氧代-6H-二苯并[c,h]色烯-11-羧酸甲酯 |
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英文名 | methyl 12-hydroxy-6-oxonaphtho[1,2-c]isochromene-11-carboxylate |
分子式 | C19H12O5 |
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分子量 | 320.29600 |
精确质量 | 320.06800 |
PSA | 76.74000 |
LogP | 3.59160 |
海关编码 | 2918990090 |
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~84% 1021499-82-0 |
文献:Ray, Sutapa; Patra, Asit; Mal, Dipakranjan Tetrahedron, 2008 , vol. 64, # 14 p. 3253 - 3267 |
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% |