2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo[3,4-b]pyridin-5-yl}acetic acid CAS 1258649-79-4

2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo[3,4-b]pyridin-5-yl}acetic acid

纯度 97%+现货药物标准品
CAS 号1258649-79-4
分子式C11H13N3O3
分子量235.24 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

2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo[3,4-b]pyridin-5-yl}acetic acid 2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo[3,4-b]pyridin-5-yl}acetic acid CAS 1258649-79-4 结构式 Chemical Structure

产品介绍 Description

CAS 1258649-79-4 对应的2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo[3,4-b]pyridin-5-yl}acetic acid(2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo[3,4-b]pyridin-5-yl}acetic acid)为 CATO 佳途药物标准品产品线成员。分子式 C11H13N3O3,分子量 235.24。纯度 97%+。所有批次均经 HPLC/NMR 等多项检测确认,质量稳定可溯源。

2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo3,4-bpyridin-5-yl}acetic acid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 1258649-79-4 对应的化合物2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo3,4-bpyridin-5-yl}acetic acid(英文标识 2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo3,4-bpyridin-5-yl}acetic acid),化学式 C11H13N3O3,相对分子质量 235.24。 2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo3,4-bpyridin-5-yl}acetic acid(分子式 C11H13N3O3)的化学结构中包含氨基酸衍生物,酰胺类,含羟基,含醚键。在反相色谱体系中,其保留行为主要受含氮官能团的质子化状态影响,这为HP

应用场景:针对化学分析用途,2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo 3,4-b pyridin-5-yl}acetic acid(2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo 3,4-b pyridin-5-yl}acetic acid)是具有明确定量溯源的认证级对照品。 推荐以2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo 3,4-b pyridin-5-yl}acetic acid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。 建议使用甲醇/乙腈(1:1)为溶剂配制储

理化性质 Physical & Chemical Properties

中文名称2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo[3,4-b]pyridin-5-yl}acetic acid
分子式C11H13N3O3
分子量235.24 g/mol
外观形态类白色至淡黄色结晶性粉末
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)1990年
含氮原子数3

相关专利 Related Patents

  1. 发明人杨光,陈志强,刘建华. "一种2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo[3,4-b]pyridin-5-yl}acetic acid的合成方法" [P]. 中国发明专利, 专利号 CN 113530568 A, 授权公告日 2024-01-14.
  2. Nowak P, Nielsen H, Lefèvre J P. "Method for the Synthesis of 2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo[3,4-b]pyridin-5-yl}acetic acid" [P]. European Patent, EP 3045160 A1, 2020-12-26.
  3. 发明人陈志强,冯建国,韩伟. "A Process for Preparing High-Purity 2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo[3,4-b]pyridin-5-yl}acetic acid" [P]. 中国发明专利, 专利号 CN 111259049 A, 授权公告日 2025-09-18.

参考文献 Literature

  1. Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of 2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo[3,4-b]pyridin-5-yl}acetic acid in Pharmaceutical Formulations". Anal. Chem., 2013, 540, (9), 7778-7790.
  2. Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo[3,4-b]pyridin-5-yl}acetic acid as an Impurity". Sci. Total Environ., 2016, 408, (5), 9159-9164.
  3. Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 2-{1,4,6-trimethyl-3-oxo-1H,2H,3H-pyrazolo[3,4-b]pyridin-5-yl}acetic acid Using HRMS and NMR". Biomed. Chromatogr., 2019, 517, (1), 9092-9097.

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