| 英文名 | 8-(4-hydroxybutyl)-1,3-dimethyl-7H-purine-2,6-dione |
|---|---|
| 英文别名 |
Xanthine,1,3-dimethyl-8-(4-hydroxybutyl)
8-(4-Hydroxybutyl)theophylline 8-(4-hydroxybutyl)-1,3-dimethyl-3,7-dihydro-1h-purine-2,6-dione 8-(4-Hydroxybutyl)theophyllin Theophylline,8-(4-hydroxybutyl) 8-(4-hydroxy-butyl)-1,3-dimethyl-3,7(9)-dihydro-purine-2,6-dione |
| 密度 | 1.354g/cm3 |
|---|---|
| 沸点 | 541.3ºC at 760 mmHg |
| 分子式 | C11H16N4O3 |
| 分子量 | 252.27000 |
| 闪点 | 281.2ºC |
| 精确质量 | 252.12200 |
| PSA | 92.91000 |
| 折射率 | 1.597 |
| 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% |