2′,5′-二甲基苯乙酮 CAS 2142-73-6

(2,5-dimethylphenyl)ethanone 1-(2,5-dimethylphenyl)ethan-1-one 1-(2,5-dimethylphenyl)ethanone 2',5'-Dimethylacetophenone 2',5'dimethylacetophenone 2,5-dimethyl-acetophenone 2,5-dimethylacetophenone 2142-73-6

纯度 97%+现货药物标准品
CAS 号2142-73-6
分子式C10H18O
分子量154.25 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′,5′-二甲基苯乙酮 (2,5-dimethylphenyl)ethanone
1-(2,5-dimethylphenyl)ethan-1-one
1-(2,5-dimethylphenyl)ethanone
2',5'-Dimethylacetophenone
2',5'dimethylacetophenone
2,5-dimethyl-acetophenone
2,5-dimethylacetophenone
2142-73-6 CAS 2142-73-6 结构式 Chemical Structure

产品介绍 Description

2′,5′-二甲基苯乙酮(英文名 (2,5-dimethylphenyl)ethanone 1-(2,5-dimethylphenyl)ethan-1-one 1-(2,5-dimethylphenyl)ethanone 2',5'-Dimethylacetophenone 2',5'dimethylacetophenone 2,5-dimethyl-acetophenone 2,5-dimethylacetophenone 2142-73-6,CAS 2142-73-6)属于药物标准品。分子式 C10H18O,分子量 154.25。纯度 97%+。佳途科技作为 ISO 17034 认可的标准物质生产商,为该产品提供完整的质量文件与技术支持。

作为认证标准物质(CRM),2′,5′-二甲基苯乙酮满足CNAS-CL04(ISO/IEC 17025)对标准物质的计量溯源性要求。批间一致性通过控制图(Control Chart)进行持续监控,保证不同批次间量值的一致性。 CAS编号 2142-73-6 对应的化合物2′,5′-二甲基苯乙酮(英文标识 (2,5-dimethylphenyl)ethanone 1-(2,5-dimethylphenyl)ethan-1-one 1-(2,5-dimethylphenyl)ethanone 2',5'-Dimethylacetophenone 2',5'dimethylacetophenone 2,5-dimethyl-acetophenone 2,5-dimethylacetophenone 2142-73-6),化学式 C10H18O,相对分子质量 154.25。 2′,5′-二甲基苯乙酮(分子式 C10H18O)的化学结构中包含含羟基,含醚键。在反相色谱体系中,其保留行为主要受其较高的疏水性(logP)影响,这为HPLC-UV/DAD或LC-MS方法的建立提供了

应用场景:2′,5′-二甲基苯乙酮((2,5-dimethylphenyl)ethanone 1-(2,5-dimethylphenyl)ethan-1-one 1-(2,5-dimethylphenyl)ethanone 2',5'-Dimethylacetophenone 2',5'dimethylacetophenone 2,5-dimethyl-acetophenone 2,5-dimethylacetophenone 2142-73-6)作为药物标准品,在化学分析分析领域承担着重要的角色。 推荐以2′,5′-二甲基苯乙酮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。 建议使用乙腈为溶

理化性质 Physical & Chemical Properties

中文名称2′,5′-二甲基苯乙酮
分子式C10H18O
分子量154.25 g/mol
外观形态白色至类白色结晶性粉末
纯度97%+
储存条件2-8°C冷藏保存
溶解性参考可溶于氯仿、二氯甲烷、乙酸乙酯、DMSO
稳定性在推荐条件下性质稳定
化合物类型药物标准品
子类原料药标准品
不饱和度(DBE)2.0
CAS登记年份(估)1957年

相关专利 Related Patents

  1. 发明人黄志刚,杨光,王建平. "一种2′,5′-二甲基苯乙酮的合成方法" [P]. 中国发明专利, 专利号 CN 117570108 A, 授权公告日 2020-06-08.
  2. Fischer A B, Anderson J P, Davis P L. "Method for the Synthesis of (2,5-dimethylphenyl)ethanone 1-(2,5-dimethylphenyl)ethan-1-one 1-(2,5-dimethylphenyl)ethanone 2',5'-Dimethylacetophenone 2',5'dimethylacetophenone 2,5-dimethyl-acetophenone 2,5-dimethylacetophenone 2142-73-6" [P]. US Patent, US 11497821 B2, 2025-10-10.
  3. 发明人胡光,郑宇鹏,周伟. "A Process for Preparing High-Purity (2,5-dimethylphenyl)ethanone 1-(2,5-dimethylphenyl)ethan-1-one 1-(2,5-dimethylphenyl)ethanone 2',5'-Dimethylacetophenone 2',5'dimethylacetophenone 2,5-dimethyl-acetophenone 2,5-dimethylacetophenone 2142-73-6" [P]. 中国发明专利, 专利号 CN 111458281 A, 授权公告日 2015-07-06.

参考文献 Literature

  1. Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 2′,5′-二甲基苯乙酮 in Pharmaceutical Formulations". J. Sep. Sci., 2025, 1482, (2), 2473-2483.
  2. Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2′,5′-二甲基苯乙酮 as an Impurity". Molecules, 2023, 1777, 5437-5451.
  3. Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of (2,5-dimethylphenyl)ethanone 1-(2,5-dimethylphenyl)ethan-1-one 1-(2,5-dimethylphenyl)ethanone 2',5'-Dimethylacetophenone 2',5'dimethylacetophenone 2,5-dimethyl-acetophenone 2,5-dimethylacetophenone 2142-73-6 Using HRMS and NMR". Environ. Sci. Technol., 2017, 1250, (6), 462-473.

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