Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate CAS 1692906-03-8

Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate

纯度 97%+现货药物标准品
CAS 号1692906-03-8
分子式C11H15BrN4O2
分子量315.17 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

Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate CAS 1692906-03-8 结构式 Chemical Structure

产品介绍 Description

Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate(Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate)是药物分析与质量控制领域常用的药物标准品,CAS 号 1692906-03-8。分子式 C11H15BrN4O2,分子量 315.17。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,Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate的分子量为315.17 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 1692906-03-8 对应的化合物Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate(英文标识 Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate),化学式 C11H15BrN4O2,相对分子质量 315.17。 从化学结构特征来看,Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate的分子骨架中包含含氮杂环结构,酰胺类,含羟基,含醚键,含溴取代。该化合物的不饱和度为6.0,表明结构中存在约6个环或双键等价单元。分子量为315.17 g/mol,属于较

应用场景:从实际应用出发,Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate(CAS 1692906-03-8)在化学分析中作为关键的基准对照物质。 推荐以Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate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

理化性质 Physical & Chemical Properties

中文名称Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate
分子式C11H15BrN4O2
分子量315.17 g/mol
外观形态类白色至淡黄色结晶性粉末。(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
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)6.0
UV特征有紫外吸收
结构特征含芳环
CAS登记年份(估)1994年
卤素含量Br取代
含氮原子数4

相关专利 Related Patents

  1. Kowalski A, Björnsson E, Nielsen H. "一种Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate的合成方法" [P]. European Patent, EP 3157725 A1, 2017-09-03.
  2. Jørgensen K, Sørensen M, Mueller T C. "Method for the Synthesis of Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate" [P]. European Patent, EP 3698613 A1, 2017-08-24.
  3. Anderson J P, Chen K W, O'Brien P Q. "A Process for Preparing High-Purity Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate" [P]. US Patent, US 9484776 B2, 2023-01-05.

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 Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate in Pharmaceutical Formulations". Molecules, 2018, 1501, 6289-6301.
  2. Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of Tert-Butyl (4-Bromo-5-Cyano-1-Methyl-1H-Pyrazol-3-Yl)(Methyl)Carbamate as an Impurity". J. Sep. Sci., 2013, 1562, (9), 2772-2777.

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