1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid CAS 1170560-04-9

1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

纯度 97%+现货药物标准品
CAS 号1170560-04-9
分子式C18H21N5O2
分子量339.39 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

1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid 1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid CAS 1170560-04-9 结构式 Chemical Structure

产品介绍 Description

CATO 佳途供应的1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid（1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid）为药物标准品，CAS 登记号 1170560-04-9，分子式 C18H21N5O2，分子量 339.39。纯度 97%+。产品现货库存充足，可提供定制化规格与批次追踪服务。

与同类药物标准品相比，1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo3,4-bpyridine-4-carboxylic acid的分子量为339.39 g/mol这一特征使其在色谱分离条件和质谱检测参数设置上具有独特性。 CAS编号 1170560-04-9 对应的化合物1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo3,4-bpyridine-4-carboxylic acid（英文标识 1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo3,4-bpyridine-4-carboxylic acid），化学式 C18H21N5O2，相对分子质量 339.39。 1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo3,4-bpyridine-4-carboxylic a

应用场景：针对化学分析用途，1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo 3,4-b pyridine-4-carboxylic acid（1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo 3,4-b pyridine-4-carboxylic acid）是具有明确定量溯源的认证级对照品。 推荐以1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo 3,4-b pyridine

理化性质 Physical & Chemical Properties

中文名称1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid
分子式C18H21N5O2
分子量339.39 g/mol
外观形态淡黄色至黄色结晶性粉末
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DMSO、DMF、甲醇
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）11.0
UV特征有紫外吸收
结构特征含芳环
CAS登记年份（估）1989年
含氮原子数5

相关专利 Related Patents

  1. 发明人郭海燕，唐晓军，王建平. "一种1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid的合成方法" [P]. 中国发明专利, 专利号 CN 114373698 A, 授权公告日 2020-08-03.
  2. 发明人冯建国，唐晓军，罗永刚. "Method for the Synthesis of 1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111888066 B, 授权公告日 2015-04-22.

参考文献 Literature

  1. Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2022, 1282, 3737-3744.
  2. Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid as an Impurity". Anal. Chem., 2019, 204, (12), 9495-9500.
  3. Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 1-cyclopentyl-6-(1-ethyl-1H-pyrazol-3-yl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid Using HRMS and NMR". Food Chem., 2010, 1917, 1110-1119.

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