5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-1,2,4-triazole-3-carboxylic acid CAS 103058-77-1

5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-1,2,4-triazole-3-carboxylic acid

纯度 97%+现货药物标准品
CAS 号103058-77-1
分子式C11H8F3N3O2
分子量271.20 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

5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-1,2,4-triazole-3-carboxylic acid 5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-1,2,4-triazole-3-carboxylic acid CAS 103058-77-1 结构式 Chemical Structure

产品介绍 Description

5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-1,2,4-triazole-3-carboxylic acid(5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-1,2,4-triazole-3-carboxylic acid)是药物分析与质量控制领域常用的药物标准品,CAS 号 103058-77-1。分子式 C11H8F3N3O2,分子量 271.20。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。

与同类药物标准品相比,5-methyl-1-3-(trifluoromethyl)phenyl-1H-1,2,4-triazole-3-carboxylic acid的分子量为271.20 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 103058-77-1 对应的化合物5-methyl-1-3-(trifluoromethyl)phenyl-1H-1,2,4-triazole-3-carboxylic acid(英文标识 5-methyl-1-3-(trifluoromethyl)phenyl-1H-1,2,4-triazole-3-carboxylic acid),化学式 C11H8F3N3O2,相对分子质量 271.20。 依据分子式为 C11H8F3N3O2 的5-methyl-1-3-(trifluoromethyl)phenyl-1H-1,2,4-triazole-3-carboxylic acid结构特征,其分子内含含氮杂环结构,酰胺类,含羟基,含醚键,含氟取代,这意味着该化合物在紫外光谱中会呈现特征性的吸收带。分子

应用场景:针对化学分析用途,5-methyl-1- 3-(trifluoromethyl)phenyl -1H-1,2,4-triazole-3-carboxylic acid(5-methyl-1- 3-(trifluoromethyl)phenyl -1H-1,2,4-triazole-3-carboxylic acid)是具有明确定量溯源的认证级对照品。 推荐以5-methyl-1- 3-(trifluoromethyl)phenyl -1H-1,2,4-triazole-3-carboxylic 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

理化性质 Physical & Chemical Properties

中文名称5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-1,2,4-triazole-3-carboxylic acid
分子式C11H8F3N3O2
分子量271.20 g/mol
外观形态淡黄色至黄色结晶性粉末。(具有轻微卤代物特征气味,挥发性较低)
纯度97%+
储存条件2-8°C冷藏保存,避光,密封防潮,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;具有吸湿性,开封后应立即密封;含酯键,遇强碱易水解
化合物类型药物标准品
子类原料药标准品
不饱和度(DBE)8.0
UV特征有紫外吸收
结构特征含芳环
CAS登记年份(估)1986年
卤素含量F取代
含氮原子数3

相关专利 Related Patents

  1. Mueller T C, Martínez F, Jørgensen K. "一种5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-1,2,4-triazole-3-carboxylic acid的合成方法" [P]. European Patent, EP 3313086 A1, 2025-08-07.
  2. Patel M V, Brown S R, Thompson G K. "Method for the Synthesis of 5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-1,2,4-triazole-3-carboxylic acid" [P]. US Patent, US 11522656 B2, 2023-04-17.
  3. Kumar R, Klinger H, Roberts E F. "A Process for Preparing High-Purity 5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-1,2,4-triazole-3-carboxylic acid" [P]. US Patent, US 9717893 B2, 2025-08-23.

参考文献 Literature

  1. Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of 5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-1,2,4-triazole-3-carboxylic acid in Pharmaceutical Formulations". Biomed. Chromatogr., 2016, 434, (7), 1706-1714.
  2. Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-1,2,4-triazole-3-carboxylic acid as an Impurity". Sci. Total Environ., 2016, 801, 5119-5145.
  3. Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 5-methyl-1-[3-(trifluoromethyl)phenyl]-1H-1,2,4-triazole-3-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2021, 1067, 768-787.

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