产品编号:H951315
产品规格:250mg
产品价格:面议
| 标准品编号: | H951315 |
| 名称: | (R)-4-(4-Hydroxyphenyl)-2,5-oxazolidinedione |
| 别名: | (-)-4-(p-Hydroxyphenyl)-2,5-oxazolidinedione; D-(-)-p-Hydroxy-N-carboxyphenylglycyl Anhydride |
| CAS号: | 26889-96-3 |
| 分子式: | C₉H₇NO₄ |
| 外观: | 淡黄色固体 |
| 分子量: | 193.16 |
| 溶解度: | Methanol |
| 种类: | Building Blocks; Miscellaneous; |
| 应用: | (R)-4-(4-Hydroxyphenyl)-2,5-oxazolidinedione is a cyclic anhydride and intermediate in the synthesis of 3-(4-Hydroxyphenyl)-2(1H)-pyrazinone (H951260), which is a potential impuritiy of the penicillins, ampicillin and amoxicillin, which have not been reported previously. 3-(4-Hydroxyphenyl)-2(1H)-pyrazinone impurity may be formed during the semi-synthetic preparation of these antibiotics or upon their degradation. |
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