1-[1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-chloroethanone CAS 757221-60-6

1-[1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-chloroethanone

纯度 97%+现货药物标准品
CAS 号757221-60-6
分子式C15H15BrClNO
分子量340.64 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

1-[1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-chloroethanone 1-[1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-chloroethanone CAS 757221-60-6 结构式 Chemical Structure

产品介绍 Description

1-[1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-chloroethanone(1-[1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-chloroethanone)是药物分析与质量控制领域常用的药物标准品,CAS 号 757221-60-6。分子式 C15H15BrClNO,分子量 340.64。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。

1-1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl-2-chloroethanone的产生途径与其化学式中含氮杂环结构,酰胺类,含羟基,含醚键,含氯/溴取代密切相关,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 C15H15BrClNO 的1-1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl-2-chloroethanone(1-1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl-2-chloroethanone),其CAS登记号是 757221-60-6,分子量为 340.64 g/mol。 1-1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl-2-chloroethanone(C15H15BrClNO)含有含氮杂环结构,酰胺类,含羟基,含醚键,含氯/溴取代。卤素取代增加了化合物的密度和沸点,较高的碳氢

应用场景:1- 1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl -2-chloroethanone(1- 1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl -2-chloroethanone,CAS 757221-60-6)的标准化应用场景涵盖化学分析等多个专业技术领域。 推荐以1- 1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl -2-chloroethanone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。

理化性质 Physical & Chemical Properties

中文名称1-[1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-chloroethanone
分子式C15H15BrClNO
分子量340.64 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
溶解性参考可溶于氯仿、二氯甲烷、乙酸乙酯、DMSO
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
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Cl/Br取代
含氮原子数1

相关专利 Related Patents

  1. 发明人朱建伟,王建平,唐晓军. "一种1-[1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-chloroethanone的合成方法" [P]. 中国发明专利, 专利号 CN 112886289 B, 授权公告日 2021-03-10.
  2. Rossi M, Martínez F, Björnsson E. "Method for the Synthesis of 1-[1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-chloroethanone" [P]. European Patent, EP 3647869 A1, 2020-05-21.

参考文献 Literature

  1. Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of 1-[1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-chloroethanone in Pharmaceutical Formulations". Anal. Chim. Acta, 2024, 1335, (1), 4723-4737.
  2. Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-[1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-chloroethanone as an Impurity". Biomed. Chromatogr., 2019, 1036, (4), 9646-9657.
  3. Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 1-[1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-chloroethanone Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 1088, 3019-3041.
  4. Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate 1-[1-(4-bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-chloroethanone Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2021, 1507, (7), 3027-3042.

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