ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate CAS 1283530-38-0

ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate

纯度 97%+现货药物标准品
CAS 号1283530-38-0
分子式C12H12ClN3O2
分子量265.70 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

ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate CAS 1283530-38-0 结构式 Chemical Structure

产品介绍 Description

本产品为药物标准品ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate(ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate,CAS 1283530-38-0),分子式 C12H12ClN3O2,分子量 265.70。纯度 97%+。适用于分析方法开发、方法验证及日常质检,CATO 提供全程冷链与全球配送。

在质量保证方面,ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate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。 ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate(ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate),CAS注册编号 1283530-38-0,化学分子式为 C12H12ClN3O2,分子量 265.70 g/mol。 ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate(C12H12ClN3O2)含有含氮杂环结构,酰胺类,含羟基,含醚

应用场景:在化学分析实验室中,ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate(CAS 1283530-38-0)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ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-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平衡至室温(约30分钟); - 储

理化性质 Physical & Chemical Properties

中文名称ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate
分子式C12H12ClN3O2
分子量265.70 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)
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)1990年
卤素含量Cl取代
含氮原子数3

相关专利 Related Patents

  1. Lefèvre J P, Kowalski A, Martínez F. "一种ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate的合成方法" [P]. European Patent, EP 3636481 A1, 2020-04-04.
  2. Schröder R, Lee S K, Klinger H. "Method for the Synthesis of ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate" [P]. US Patent, US 9273822 B2, 2024-11-08.
  3. 发明人韩伟,王建平,罗永刚. "A Process for Preparing High-Purity ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112023641 B, 授权公告日 2015-05-19.

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 ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate in Pharmaceutical Formulations". J. Sep. Sci., 2025, 2452, 7393-7398.
  2. Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate as an Impurity". Biomed. Chromatogr., 2024, 1124, (1), 3674-3691.
  3. Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate Using HRMS and NMR". J. Agric. Food Chem., 2019, 298, (9), 1594-1623.
  4. Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate Profile in Drug Substances According to ICH Guidelines". Talanta, 2013, 2355, (6), 7071-7088.

Related ethyl Standards 同系列产品

推荐产品 Recommended Standards

为什么选择 CATO 佳途?

加载产品详情...