产品编号：D414610
产品规格：100mg
产品价格：面议
| 标准品编号: | D414610 |
| 名称: | 3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-ethyl ester Benzenesulfonic acid |
| CAS号: | 1971915-89-5 |
| 分子式: | C₁₉H₂₄N₄O₅S |
| 分子量: | 420.48 |
| 种类: | Standards; Pharmaceutical/API Drug Impurities/Metabolites; |
| 应用: | 3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-ethyl ester Benzenesulfonic acid is used in the preparation of sildenafil impurity for pharmaceutical quality control by esterification. |
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