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28345-99-5

28345-99-5结构式
28345-99-5结构式

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英文名 1,3-dimethyl-8-(pyridin-3-ylmethyl)-7H-purine-2,6-dione
英文别名 8-(3-Pyridylmethyl)theophylline
Theophylline,8-(3-pyridylmethyl)
NV 4
(Pyridyl-3'-methyl)-8-theophyllin
(Pyridyl-3' methyl)-8 theophylline [French]
(Pyridyl-3' methyl)-8 theophylline
1,3-dimethyl-8-pyridin-3-ylmethyl-3,7(9)-dihydro-purine-2,6-dione
密度 1.387g/cm3
沸点 594.9ºC at 760mmHg
分子式 C13H13N5O2
分子量 271.27500
闪点 313.6ºC
精确质量 271.10700
PSA 85.57000
蒸汽压 4.06E-14mmHg at 25°C
折射率 1.641
海关编码 2933990090
海关编码 2933990090
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%