英文名 | 5-methoxy-3-nitro-2H-chromene |
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英文别名 |
2H-1-Benzopyran,5-methoxy-3-nitro
5-methoxy-3-nitro-2H-1-benzopyran |
分子式 | C10H9NO4 |
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分子量 | 207.18300 |
精确质量 | 207.05300 |
PSA | 64.28000 |
LogP | 2.22840 |
海关编码 | 2909199090 |
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~61% 92210-62-3 |
文献:Dauzonne, Daniel; Royer, Rene Synthesis, 1984 , # 4 p. 348 - 349 |
~49% 92210-62-3 |
文献:Neirabeyeh, Mamdouh Al; Koussini, Rafik Synthetic Communications, 1990 , vol. 20, # 6 p. 783 - 788 |
海关编码 | 2909199090 |
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中文概述 | 2909199090. 其他无环醚及其卤化衍生物(包括磺化,硝化或亚硝化衍生物). 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:5.5%. 普通关税:30.0% |
申报要素 | 品名, 成分含量, 用途 |
Summary | 2909199090. other acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |