CAS 1646-99-7

1646-99-7 2-Methylbutanal 2,4-Dinitrophenylhydrazone 2-Methylbutanal 2-(2,4-Dinitrophenyl)hydrazone 2-Methylbutyraldehyde (2,4-Dinitrophenyl)hydrazone |A-Methylbutyraldehyde 2,4-Dinitrophenylhydrazone

纯度 97%+现货药物标准品
CAS 号1646-99-7
分子式C11H14N4O4
分子量266.25 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

 1646-99-7
2-Methylbutanal 2,4-Dinitrophenylhydrazone
2-Methylbutanal 2-(2,4-Dinitrophenyl)hydrazone
2-Methylbutyraldehyde (2,4-Dinitrophenyl)hydrazone
|A-Methylbutyraldehyde 2,4-Dinitrophenylhydrazone CAS 1646-99-7 结构式 Chemical Structure

产品介绍 Description

(1646-99-7 2-Methylbutanal 2,4-Dinitrophenylhydrazone 2-Methylbutanal 2-(2,4-Dinitrophenyl)hydrazone 2-Methylbutyraldehyde (2,4-Dinitrophenyl)hydrazone |A-Methylbutyraldehyde 2,4-Dinitrophenylhydrazone)是药物分析与质量控制领域常用的药物标准品,CAS 号 1646-99-7。分子式 C11H14N4O4,分子量 266.25。纯度 97%+。CATO 佳途拥有 130,000+ 标准品现货目录,可一站式满足配套采购需求。

在质量保证方面,的生产和定值严格遵循ISO 17034:2016(认证标准物质生产者)的要求。纯度定值采用质量平衡法和定量核磁共振(qNMR)等多种正交方法进行交叉验证,扩展不确定度报告为95%置信水平(k=2)。每个批次的均匀性和稳定性均经过独立的统计评估。 化学式为 C11H14N4O4 的(1646-99-7 2-Methylbutanal 2,4-Dinitrophenylhydrazone 2-Methylbutanal 2-(2,4-Dinitrophenyl)hydrazone 2-Methylbutyraldehyde (2,4-Dinitrophenyl)hydrazone |A-Methylbutyraldehyde 2,4-Dinitrophenylhydrazone),其CAS登记号是 1646-99-7,分子量为 266.25 g/mol。 受分子结构中氨基酸衍生物,酰胺类,含羟基,含醚键的影响,表现为类白色至淡黄色结晶性粉末。其固体形态的物理化学属性——包括266.25 g/mol的分子量——对于选择合适的样品前处理方法和分析技术

应用场景:(1646-99-7 2-Methylbutanal 2,4-Dinitrophenylhydrazone 2-Methylbutanal 2-(2,4-Dinitrophenyl)hydrazone 2-Methylbutyraldehyde (2,4-Dinitrophenyl)hydrazone |A-Methylbutyraldehyde 2,4-Dinitrophenylhydrazone)作为药物标准品,在化学分析分析领域承担着重要的角色。 推荐以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)为溶剂配制储备溶液,根据检测灵敏度需求逐级稀释。

理化性质 Physical & Chemical Properties

中文名称
分子式C11H14N4O4
分子量266.25 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)1957年
含氮原子数4

相关专利 Related Patents

  1. Hughes D C, Fischer A B, Yamamoto T. "一种的合成方法" [P]. US Patent, US 11302699 B2, 2022-06-28.
  2. Jørgensen K, Rossi M, Mueller T C. "Method for the Synthesis of 1646-99-7 2-Methylbutanal 2,4-Dinitrophenylhydrazone 2-Methylbutanal 2-(2,4-Dinitrophenyl)hydrazone 2-Methylbutyraldehyde (2,4-Dinitrophenyl)hydrazone |A-Methylbutyraldehyde 2,4-Dinitrophenylhydrazone" [P]. European Patent, EP 3009619 A1, 2021-04-01.

参考文献 Literature

  1. Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2023, 1755, 8640-8655.
  2. O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2018, 1458, (3), 9707-9712.
  3. Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 1646-99-7 2-Methylbutanal 2,4-Dinitrophenylhydrazone 2-Methylbutanal 2-(2,4-Dinitrophenyl)hydrazone 2-Methylbutyraldehyde (2,4-Dinitrophenyl)hydrazone |A-Methylbutyraldehyde 2,4-Dinitrophenylhydrazone Using HRMS and NMR". Sci. Total Environ., 2017, 214, 7974-7992.
  4. Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2014, 1896, (10), 3789-3805.

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