4227-23-0
4227-23-0结构式
- 常用中文名：8-ethyl-7-hydroxy-1,3-dimethylpurine-2,6-dione
- 常用英文名：8-ethyl-7-hydroxy-1,3-dimethylpurine-2,6-dione
- CAS号：4227-23-0
- 分子式：C9H12N4O3
- 分子量：224.21700
- 发布时间：2017-06-10 14:04:39
- 更新时间：2024-09-25 11:11:08
| 英文名 | 8-ethyl-7-hydroxy-1,3-dimethylpurine-2,6-dione |
|---|---|
| 英文别名 |
Theophylline,8-ethyl-7-hydroxy
8-Ethyl-7-hydroxytheophylline 1,3-Dimethyl-7-hydroxy-8-aethyl-xanthin 7-Hydroxy-8-ethyl-theophyllin GD 073 hydroxyethyltheophylline 7-Hydroxy-8-aethyltheophyllin 8-ethyl-7-hydroxy-1,3-dimethyl-3,7-dihydro-purine-2,6-dione |
| 密度 | 1.52g/cm3 |
|---|---|
| 沸点 | 473.7ºC at 760 mmHg |
| 分子式 | C9H12N4O3 |
| 分子量 | 224.21700 |
| 闪点 | 240.3ºC |
| 精确质量 | 224.09100 |
| PSA | 82.05000 |
| 折射率 | 1.685 |
| 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% |