ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidine-6-carboxylate CAS 130925-71-2
ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidine-6-carboxylate
| CAS 号 | 130925-71-2 |
| 分子式 | C9H10N4O3 |
| 分子量 | 222.20 g/mol |
| 分类 | 药物标准品 / 原料药标准品 |
| 库存状态 | 现货 |
化学结构式 Structure
产品介绍 Description
ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidine-6-carboxylate（英文名 ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidine-6-carboxylate，CAS 130925-71-2）属于药物标准品。分子式 C9H10N4O3，分子量 222.20。纯度 97%+。佳途科技作为 ISO 17034 认可的标准物质生产商，为该产品提供完整的质量文件与技术支持。
ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo3,4-dpyrimidine-6-carboxylate的产生途径与其化学式中氨基酸衍生物，酰胺类，含羟基，含醚键密切相关，该结构特征决定了其在合成/纯化或降解过程中出现的概率与行为。 CAS编号 130925-71-2 对应的化合物ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo3,4-dpyrimidine-6-carboxylate（英文标识 ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo3,4-dpyrimidine-6-carboxylate），化学式 C9H10N4O3，相对分子质量 222.20。 从化学结构特征来看，ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo3,4-dpyrimidine-6-carboxylate的分子骨架中包含氨基酸衍生物，酰胺类，含羟基，含醚键。该化合物的不饱和度为7.0，表明结构中存在约7个环或双键等价单元。分子
应用场景：ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo 3,4-d pyrimidine-6-carboxylate（ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo 3,4-d pyrimidine-6-carboxylate，CAS 130925-71-2）的标准化应用场景涵盖化学分析等多个专业技术领域。 推荐以ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo 3,4-d pyrimidine-6-carboxylate配制标准系列工作溶液，用于建立标准曲线实现外标法定量。
理化性质 Physical & Chemical Properties
| 中文名称 | ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidine-6-carboxylate |
| 分子式 | C9H10N4O3 |
| 分子量 | 222.20 g/mol |
| 外观形态 | 类白色至淡黄色结晶性粉末。（具有氨/胺类微弱气味） |
| 纯度 | 97%+ |
| 储存条件 | 2-8°C冷藏保存，避光，密封防潮 |
| 溶解性参考 | 可溶于甲醇、乙醇、DMSO |
| 稳定性 | 空气中长期暴露可能发生缓慢氧化；对光敏感，应避免强光直射；具有吸湿性，开封后应立即密封 |
| 化合物类型 | 药物标准品 |
| 子类 | 原料药标准品 |
| 不饱和度（DBE） | 7.0 |
| UV特征 | 有紫外吸收 |
| 结构特征 | 含芳环 |
| CAS登记年份（估） | 1994年 |
| 含氮原子数 | 4 |
相关专利 Related Patents
- 发明人朱建伟，郭海燕，徐明华. "一种ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidine-6-carboxylate的合成方法" [P]. 中国发明专利, 专利号 CN 110683242 A, 授权公告日 2020-04-05.
- 发明人钱学锋，徐明华，赵玉洁. "Method for the Synthesis of ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 117971722 A, 授权公告日 2024-02-12.
参考文献 Literature
- Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidine-6-carboxylate in Pharmaceutical Formulations". J. Nat. Prod., 2020, 1617, (4), 9093-9123.
- Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidine-6-carboxylate as an Impurity". Anal. Chim. Acta, 2023, 347, (3), 8109-8127.
- Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidine-6-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2016, 1790, (1), 1646-1666.
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