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23043-88-1

23043-88-1结构式
23043-88-1结构式

化源商城直购

中文名 7-乙基茶碱
英文名 7-ethyl-1,3-dimethylpurine-2,6-dione
英文别名 Ethyltheophylline (VAN)
7-ethyl-1,3-dimethylxanthine
1,3-Dimethyl-7-ethylxanthine
7-Ethyltheophylline
7-ethyl-1,3-dimethyl-3,7-dihydro-purine-2,6-dione
ethyl-7 dimethyl-1,3 xanthine
7-ETHYL-3,7-DIHYDRO-1,3-DIMETHYL-1H-PURINE-2,6-DIONE
Theophylline,7-ethyl
Ethyltheophylline
密度 1.39g/cm3
沸点 418.5ºC at 760mmHg
熔点 148-150ºC
分子式 C9H12N4O2
分子量 208.21700
闪点 206.9ºC
精确质量 208.09600
PSA 61.82000
蒸汽压 3.26E-07mmHg at 25°C
折射率 1.656
海关编码 2933990090

~95%

23043-88-1结构式

23043-88-1

文献:Hedayatullah, Mir Journal of Heterocyclic Chemistry, 1982 , vol. 19, p. 249 - 251

~80%

23043-88-1结构式

23043-88-1

文献:Malakar, Chandi C.; Schmidt, Dietmar; Conrad, Juergen; Beifuss, Uwe Organic Letters, 2011 , vol. 13, # 6 p. 1378 - 1381

~39%

23043-88-1结构式

23043-88-1

文献:Aleksandrova, I. Ya.; Tkachenko, E. I.; Sapronov, N. S.; Sholtes, L.; Trnovets, T.; Plotrovskii, L. B. Pharmaceutical Chemistry Journal, 1986 , vol. 20, # 2 p. 99 - 103 Khimiko-Farmatsevticheskii Zhurnal, 1986 , vol. 20, # 2 p. 164 - 168

~%

23043-88-1结构式

23043-88-1

文献:Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), , p. 911 - 916

~%

23043-88-1结构式

23043-88-1

文献:Anales de la Asociacion Quimica Argentina (1921-2001), , vol. 45, p. 79,82

~%

23043-88-1结构式

23043-88-1

文献:Archiv der Pharmazie (Weinheim, Germany), , vol. 245, p. 313 Chem. Zentralbl., , vol. 77, # I p. 1241
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%