3-Methyl-2-(4-methyl-benzoylamino)-butyric acid CAS 323587-86-6

3-Methyl-2-(4-methyl-benzoylamino)-butyric acid

纯度 97%+现货药物标准品
CAS 号323587-86-6
分子式C13H17NO3
分子量235.28 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

3-Methyl-2-(4-methyl-benzoylamino)-butyric acid 3-Methyl-2-(4-methyl-benzoylamino)-butyric acid CAS 323587-86-6 结构式 Chemical Structure

产品介绍 Description

3-Methyl-2-(4-methyl-benzoylamino)-butyric acid(3-Methyl-2-(4-methyl-benzoylamino)-butyric acid,CAS 号 323587-86-6)是 CATO 佳途自主生产的药物标准品,分子式 C13H17NO3,分子量 235.28。纯度 97%+。本品采用严格的质量控制体系生产,附 COA 证书,适用于药物研发、质量控制和法规申报等场景。

本品适用于HPLC、GC、LC-MS/MS、GC-MS等主要色谱平台的定量分析,可作为外标法校准标准品或系统适用性测试参考物质使用。 化学式为 C13H17NO3 的3-Methyl-2-(4-methyl-benzoylamino)-butyric acid(3-Methyl-2-(4-methyl-benzoylamino)-butyric acid),其CAS登记号是 323587-86-6,分子量为 235.28 g/mol。 3-Methyl-2-(4-methyl-benzoylamino)-butyric acid(C13H17NO3)含有含氮杂环结构,酰胺类,含羟基,含醚键。具有较强的吸湿性,较高的碳氢比使其脂溶性较好,羧基赋予其一定的酸性特征,这些物理化学性质直接决定了其标准溶液的最佳配制方案和储存策略。含氮官能团的存在使该化合物在ESI正离子模式下具有优良的离子化效率,适合LC-MS/MS分析。 作为认证标准物质(CRM),3-Methyl-2-(4-methyl-benzoylamino)-butyric acid满足CNAS-C

应用场景:3-Methyl-2-(4-methyl-benzoylamino)-butyric acid(3-Methyl-2-(4-methyl-benzoylamino)-butyric acid,CAS 323587-86-6)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3-Methyl-2-(4-methyl-benzoylamino)-butyric 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)为溶剂配制储备溶液,根据检测灵敏度需求逐级稀释。 使用建议: - 称量前将样品在干燥器内平衡至室温(约30分钟); - 储备溶液建

理化性质 Physical & Chemical Properties

中文名称3-Methyl-2-(4-methyl-benzoylamino)-butyric acid
分子式C13H17NO3
分子量235.28 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
溶解性参考可溶于氯仿、二氯甲烷、乙酸乙酯、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)6.0
UV特征有紫外吸收
结构特征含芳环
CAS登记年份(估)2025年
含氮原子数1

相关专利 Related Patents

  1. Mueller T C, Lefèvre J P, Martínez F. "一种3-Methyl-2-(4-methyl-benzoylamino)-butyric acid的合成方法" [P]. European Patent, EP 3819868 A1, 2016-03-02.
  2. Fischer A B, Davis P L, Lee S K. "Method for the Synthesis of 3-Methyl-2-(4-methyl-benzoylamino)-butyric acid" [P]. US Patent, US 9635462 B2, 2019-12-13.
  3. Brown S R, Davis P L, Thompson G K. "A Process for Preparing High-Purity 3-Methyl-2-(4-methyl-benzoylamino)-butyric acid" [P]. US Patent, US 9530061 B2, 2020-12-20.

参考文献 Literature

  1. Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 3-Methyl-2-(4-methyl-benzoylamino)-butyric acid in Pharmaceutical Formulations". J. Nat. Prod., 2016, 169, (3), 510-538.
  2. Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-Methyl-2-(4-methyl-benzoylamino)-butyric acid as an Impurity". J. Sep. Sci., 2012, 1750, (7), 6555-6571.
  3. Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methyl-2-(4-methyl-benzoylamino)-butyric acid Using HRMS and NMR". Chromatographia, 2012, 757, 4453-4482.
  4. Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate 3-Methyl-2-(4-methyl-benzoylamino)-butyric acid Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2010, 701, (9), 1765-1791.

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