8-[2-(1,3-dimethyl-2,6-dioxo-7H-purin-8-yl)ethyl]-1,3-dimethyl-7H-purine-2,6-dione

更新时间:2024-01-23 14:05:42

8-[2-(1,3-dimethyl-2,6-dioxo-7H-purin-8-yl)ethyl]-1,3-dimethyl-7H-purine-2,6-dione结构式
8-[2-(1,3-dimethyl-2,6-dioxo-7H-purin-8-yl)ethyl]-1,3-dimethyl-7H-purine-2,6-dione结构式
委托求购
常用名 8-[2-(1,3-dimethyl-2,6-dioxo-7H-purin-8-yl)ethyl]-1,3-dimethyl-7H-purine-2,6-dione 英文名 8-[2-(1,3-dimethyl-2,6-dioxo-7H-purin-8-yl)ethyl]-1,3-dimethyl-7H-purine-2,6-dione
CAS号 1784-67-4 分子量 386.36500
密度 1.546g/cm3 沸点 799.6ºC at 760 mmHg
分子式 C16H18N8O4 熔点 N/A
MSDS N/A 闪点 437.4ºC

 名称

英文名 8-[2-(1,3-dimethyl-2,6-dioxo-7H-purin-8-yl)ethyl]-1,3-dimethyl-7H-purine-2,6-dione
英文别名 更多

 物理化学性质

密度 1.546g/cm3
沸点 799.6ºC at 760 mmHg
分子式 C16H18N8O4
分子量 386.36500
闪点 437.4ºC
精确质量 386.14500
PSA 145.36000
蒸汽压 1.41E-25mmHg at 25°C
折射率 1.676

 毒性和生态

 安全信息

海关编码 2933990090

 海关

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%

 英文别名

8,8'-Dimethylene-bis-theophylline
1,2-bis(theophyllin-8-yl)ethane
8,8'-Ethylenebistheophylline
1,3,1',3'-tetramethyl-3,7(9),3',7'(9')-tetrahydro-8,8'-ethane-1,2-diyl-bis-purine-2,6-dione
8,8'-ethane-1,2-diylbis(1,3-dimethyl-3,7-dihydro-1h-purine-2,6-dione)
Theophylline,8,8'-ethylenebis