英文名 | 7-hydroxy-1,3-dimethylpurine-2,6-dione |
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英文别名 |
Theophylline,7-hydroxy
7-hydroxy-1,3-dimethyl-3,7-dihydro-1h-purine-2,6-dione 7-Hydroxytheophyllin [German] 7-hydroxy-1,3-dimethyl-3,7-dihydro-purine-2,6-dione 7-Hydroxytheophyllin 7-Hydroxytheophylline |
密度 | 1.69g/cm3 |
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沸点 | 472.2ºC at 760mmHg |
分子式 | C7H8N4O3 |
分子量 | 196.16300 |
闪点 | 239.4ºC |
精确质量 | 196.06000 |
PSA | 82.05000 |
蒸汽压 | 1.54E-09mmHg at 25°C |
折射率 | 1.745 |
海关编码 | 2933990090 |
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海关编码 | 2933990090 |
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中文概述 | 2933990090. 其他仅含氮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, 乌洛托品请注明外观, 6-己内酰胺请注明外观, 签约日期 |
Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |