2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride CAS 1783540-59-9

2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride

纯度 97%+现货药物标准品
CAS 号1783540-59-9
分子式C8H11ClN2O2S
分子量234.70 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

2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride 2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride CAS 1783540-59-9 结构式 Chemical Structure

产品介绍 Description

CATO 佳途供应的2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride(2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride)为药物标准品,CAS 登记号 1783540-59-9,分子式 C8H11ClN2O2S,分子量 234.70。纯度 97%+。产品现货库存充足,可提供定制化规格与批次追踪服务。

2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride的产生途径与其化学式中含氮杂环结构,酰胺类,含砜基,含羟基,含醚键,含氯取代密切相关,该结构特征决定了其在合成/纯化或降解过程中出现的概率与行为。 化学式为 C8H11ClN2O2S 的2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride(2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride),其CAS登记号是 1783540-59-9,分子量为 234.70 g/mol。 2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride(分子式 C8H11ClN2O2S)的化学结构中包含含氮杂环结构,酰胺类,含砜基,含羟基,含醚键,含氯取代。在反相色谱体系中,其保留行为主要受含氮官能团的质子化状态影响,这为HPLC-UV/DAD或LC-MS方法的建立提供了重要依据。由于结构中存在共

应用场景:针对化学分析用途,2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride(2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride)是具有明确定量溯源的认证级对照品。 推荐以2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride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

理化性质 Physical & Chemical Properties

中文名称2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride
分子式C8H11ClN2O2S
分子量234.70 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,具有氨/胺类微弱气味,含硫化合物特征性气味)
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)4.0
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Cl取代
含氮原子数2
含硫原子数1

相关专利 Related Patents

  1. Rossi M, Jørgensen K, Sørensen M. "一种2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride的合成方法" [P]. European Patent, EP 3214180 A1, 2016-05-03.
  2. Anderson J P, Thompson G K, Stevens L M. "Method for the Synthesis of 2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride" [P]. US Patent, US 11880377 B2, 2025-05-04.
  3. 发明人罗永刚,唐晓军,李文辉. "A Process for Preparing High-Purity 2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 111837558 B, 授权公告日 2015-04-07.

参考文献 Literature

  1. Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride in Pharmaceutical Formulations". Anal. Chim. Acta, 2011, 2464, (10), 5306-5316.
  2. Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride as an Impurity". Molecules, 2016, 2163, (2), 8718-8722.
  3. Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 2-methyl-4,5,6,7-tetrahydro-2H-indazole-3-sulfonyl chloride Using HRMS and NMR". Phytochemistry, 2016, 1916, 2684-2701.

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