1H-Purine-2,6-dione,7-ethyl-3,7-dihydro-1,3-dimethyl-
- 中文别名:7-乙基茶碱
- 英文别名:7-ethyl-1,3-dimethylpurine-2,6-dione;
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
- CAS No.:23043-88-1
- 分子式:
C9H12N4O2
- 分子量:208.22
- 精确分子量:208.09600
- PSA:61.82000
- InChI:The Key: RPOQNHMXOPWCEK-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.39g/cm3
- 熔点:
- 148-150ºC
- 沸点:
- 418.5ºC at 760mmHg
- 闪点:
- 206.9ºC
- 折射率:
- 1.656
- 蒸汽压:
- 3.26E-07mmHg at 25°C
安全信息
- 密度:
- 1.39g/cm3
- 熔点:
- 148-150ºC
- 沸点:
- 418.5ºC at 760mmHg
- 闪点:
- 206.9ºC
- 折射率:
- 1.656
- 蒸汽压:
- 3.26E-07mmHg at 25°C
海关数据
中国海关编码:2933990090
- 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
- 摘要/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%