CAS 175137-56-1

2-(4-Bromo-3,5-dimethyl-1H-pyrazol-1-yl)ethano hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)ethano-hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)ethanohydrazide (4-bromo-3,5-dimethyl-pyrazol-1-yl)-acetic acid hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)-acetohydrazide 175137-56-1

纯度 97%+现货药物标准品
CAS 号175137-56-1
分子式C7H11BrN4O
分子量247.09 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-(4-Bromo-3,5-dimethyl-1H-pyrazol-1-yl)ethano hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)ethano-hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)ethanohydrazide (4-bromo-3,5-dimethyl-pyrazol-1-yl)-acetic acid hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)-acetohydrazide 175137-56-1 CAS 175137-56-1 结构式 Chemical Structure

产品介绍 Description

CAS 175137-56-1 对应的（2-(4-Bromo-3,5-dimethyl-1H-pyrazol-1-yl)ethano hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)ethano-hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)ethanohydrazide (4-bromo-3,5-dimethyl-pyrazol-1-yl)-acetic acid hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)-acetohydrazide 175137-56-1）为 CATO 佳途药物标准品产品线成员。分子式 C7H11BrN4O，分子量 247.09。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。

在现行药典和法规框架下，药物标准品的合规要求中明确涉及对包括在内的目标物的控制。 （2-(4-Bromo-3,5-dimethyl-1H-pyrazol-1-yl)ethano hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)ethano-hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)ethanohydrazide (4-bromo-3,5-dimethyl-pyrazol-1-yl)-acetic acid hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)-acetohydrazide 175137-56-1），CAS注册编号 175137-56-1，化学分子式为 C7H11BrN4O，分子量 247.09 g/mol。 从化学结构特征来看，的分子骨架中包含酰胺类，含羟基，含醚键，含溴取代。该化合物的不饱和度为4.0，表明结构中存在约4个环或双键等价单元。分子量为247.09 g/mol，属于中等分子量化合物。含氮官能团的存

应用场景：（2-(4-Bromo-3,5-dimethyl-1H-pyrazol-1-yl)ethano hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)ethano-hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)ethanohydrazide (4-bromo-3,5-dimethyl-pyrazol-1-yl)-acetic acid hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)-acetohydrazide 175137-56-1，CAS

理化性质 Physical & Chemical Properties

中文名称
分子式C7H11BrN4O
分子量247.09 g/mol
外观形态类白色至淡黄色结晶性粉末。（具有轻微卤代物特征气味，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，密闭保存防止挥发
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
化合物类型药物标准品
子类原料药标准品
不饱和度（DBE）4.0
UV特征有紫外吸收
结构特征含芳环
CAS登记年份（估）2007年
卤素含量Br取代
含氮原子数4

相关专利 Related Patents

  1. Hughes D C, Anderson J P, Thompson G K. "一种的合成方法" [P]. US Patent, US 11672285 B2, 2022-06-08.
  2. 发明人郭海燕，杨光，沈红梅. "Method for the Synthesis of 2-(4-Bromo-3,5-dimethyl-1H-pyrazol-1-yl)ethano hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)ethano-hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)ethanohydrazide (4-bromo-3,5-dimethyl-pyrazol-1-yl)-acetic acid hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)-acetohydrazide 175137-56-1" [P]. 中国发明专利, 专利号 CN 109459882 A, 授权公告日 2025-08-24.

参考文献 Literature

  1. Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2023, 545, (2), 8345-8359.
  2. Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2018, 164, (8), 140-170.
  3. Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Bromo-3,5-dimethyl-1H-pyrazol-1-yl)ethano hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)ethano-hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)ethanohydrazide (4-bromo-3,5-dimethyl-pyrazol-1-yl)-acetic acid hydrazide 2-(4-bromo-3,5-dimethyl-1h-pyrazol-1-yl)-acetohydrazide 175137-56-1 Using HRMS and NMR". Sci. Total Environ., 2011, 657, (8), 2505-2535.

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