methyl 5-methyl-4-[(5-methyl-2-nitrophenoxy)methyl]isoxazole-3-carboxylate CAS 938006-51-0

methyl 5-methyl-4-[(5-methyl-2-nitrophenoxy)methyl]isoxazole-3-carboxylate

纯度 97%+现货药物标准品
CAS 号938006-51-0
分子式C14H14N2O6
分子量306.27 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

methyl 5-methyl-4-[(5-methyl-2-nitrophenoxy)methyl]isoxazole-3-carboxylate methyl 5-methyl-4-[(5-methyl-2-nitrophenoxy)methyl]isoxazole-3-carboxylate CAS 938006-51-0 结构式 Chemical Structure

产品介绍 Description

methyl 5-methyl-4-[(5-methyl-2-nitrophenoxy)methyl]isoxazole-3-carboxylate（methyl 5-methyl-4-[(5-methyl-2-nitrophenoxy)methyl]isoxazole-3-carboxylate，CAS 号 938006-51-0）是 CATO 佳途自主生产的药物标准品，分子式 C14H14N2O6，分子量 306.27。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。

与同类药物标准品相比，methyl 5-methyl-4-(5-methyl-2-nitrophenoxy)methylisoxazole-3-carboxylate的分子量为306.27 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。 化学式为 C14H14N2O6 的methyl 5-methyl-4-(5-methyl-2-nitrophenoxy)methylisoxazole-3-carboxylate（methyl 5-methyl-4-(5-methyl-2-nitrophenoxy)methylisoxazole-3-carboxylate），其CAS登记号是 938006-51-0，分子量为 306.27 g/mol。 methyl 5-methyl-4-(5-methyl-2-nitrophenoxy)methylisoxazole-3-carboxylate（C14H14N2O6）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，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

应用场景：在化学分析实验室中，methyl 5-methyl-4- (5-methyl-2-nitrophenoxy)methyl isoxazole-3-carboxylate（CAS 938006-51-0）凭借其97%+的纯度做为基础物质，为定量分析提供基准参照。 推荐以methyl 5-methyl-4- (5-methyl-2-nitrophenoxy)methyl isoxazole-3-carboxylate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

理化性质 Physical & Chemical Properties

中文名称methyl 5-methyl-4-[(5-methyl-2-nitrophenoxy)methyl]isoxazole-3-carboxylate
分子式C14H14N2O6
分子量306.27 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）9.0
UV特征有紫外吸收
结构特征含芳环
CAS登记年份（估）1987年
含氮原子数2

相关专利 Related Patents

  1. 发明人胡光，杨光，高志强. "一种methyl 5-methyl-4-[(5-methyl-2-nitrophenoxy)methyl]isoxazole-3-carboxylate的合成方法" [P]. 中国发明专利, 专利号 CN 115877086 A, 授权公告日 2017-06-19.
  2. 发明人赵玉洁，李文辉，何建平. "Method for the Synthesis of methyl 5-methyl-4-[(5-methyl-2-nitrophenoxy)methyl]isoxazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111166824 A, 授权公告日 2016-01-01.
  3. 发明人林芳，沈红梅，张德明. "A Process for Preparing High-Purity methyl 5-methyl-4-[(5-methyl-2-nitrophenoxy)methyl]isoxazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115900764 B, 授权公告日 2018-10-27.

参考文献 Literature

  1. Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of methyl 5-methyl-4-[(5-methyl-2-nitrophenoxy)methyl]isoxazole-3-carboxylate in Pharmaceutical Formulations". Chemosphere, 2012, 583, (9), 2785-2809.
  2. Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of methyl 5-methyl-4-[(5-methyl-2-nitrophenoxy)methyl]isoxazole-3-carboxylate as an Impurity". Molecules, 2018, 2369, (5), 4447-4460.

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