4,4′-二甲基二苯甲酮 CAS 611-97-2

611-97-2 GI3DRY0THD Di-p-tolyl ketone Benzophenone, 4,4'-dimethyl- (8CI) 4,4'-Dimethylbenzophenone Methanone, bis(4-methylphenyl)- 4,4'-Carbonylbis(toluene) p,p'-Dimethyl di-phenyl ketone p,p'-Dimethylbenzophenone EINECS 210-287-6 NSC 1807 NSC 37137 p-Tolyl ketone UNII-GI3DRY0THD

纯度 97%+现货药物标准品
CAS 号611-97-2
分子式C15H26O
分子量222.37 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

4,4′-二甲基二苯甲酮 611-97-2 GI3DRY0THD Di-p-tolyl ketone Benzophenone, 4,4'-dimethyl- (8CI) 4,4'-Dimethylbenzophenone Methanone, bis(4-methylphenyl)- 4,4'-Carbonylbis(toluene) p,p'-Dimethyl di-phenyl ketone p,p'-Dimethylbenzophenone EINECS 210-287-6 NSC 1807 NSC 37137 p-Tolyl ketone UNII-GI3DRY0THD CAS 611-97-2 结构式 Chemical Structure

产品介绍 Description

4,4′-二甲基二苯甲酮（611-97-2 GI3DRY0THD Di-p-tolyl ketone Benzophenone, 4,4'-dimethyl- (8CI) 4,4'-Dimethylbenzophenone Methanone, bis(4-methylphenyl)- 4,4'-Carbonylbis(toluene) p,p'-Dimethyl di-phenyl ketone p,p'-Dimethylbenzophenone EINECS 210-287-6 NSC 1807 NSC 37137 p-Tolyl ketone UNII-GI3DRY0THD）是药物分析与质量控制领域常用的药物标准品，CAS 号 611-97-2。分子式 C15H26O，分子量 222.37。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。

4,4′-二甲基二苯甲酮的产生途径与其化学式中含羟基，含醚键密切相关，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 C15H26O 的4,4′-二甲基二苯甲酮（611-97-2 GI3DRY0THD Di-p-tolyl ketone Benzophenone, 4,4'-dimethyl- (8CI) 4,4'-Dimethylbenzophenone Methanone, bis(4-methylphenyl)- 4,4'-Carbonylbis(toluene) p,p'-Dimethyl di-phenyl ketone p,p'-Dimethylbenzophenone EINECS 210-287-6 NSC 1807 NSC 37137 p-Tolyl ketone UNII-GI3DRY0THD），其CAS登记号是 611-97-2，分子量为 222.37 g/mol。 从化学结构特征来看，4,4′-二甲基二苯甲酮的分子骨架中包含含羟基，含醚键。该化合物的不饱和度为3.0，表明结构中存在约3个环或双键等价单元。分子量为222.37 g/mo

应用场景：4,4′-二甲基二苯甲酮（611-97-2 GI3DRY0THD Di-p-tolyl ketone Benzophenone, 4,4'-dimethyl- (8CI) 4,4'-Dimethylbenzophenone Methanone, bis(4-methylphenyl)- 4,4'-Carbonylbis(toluene) p,p'-Dimethyl di-phenyl ketone p,p'-Dimethylbenzophenone EINECS 210-287-6 NSC 1807 NSC 37137 p-Tolyl ketone UNII-GI3DRY0THD，CAS 61

理化性质 Physical & Chemical Properties

中文名称4,4′-二甲基二苯甲酮
分子式C15H26O
分子量222.37 g/mol
外观形态白色至类白色低熔点固体
纯度97%+
储存条件室温保存
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）3.0
UV特征有紫外吸收
CAS登记年份（估）1957年

相关专利 Related Patents

  1. 发明人李文辉，钱学锋，郑宇鹏. "一种4,4′-二甲基二苯甲酮的合成方法" [P]. 中国发明专利, 专利号 CN 113665106 B, 授权公告日 2025-08-25.
  2. Martínez F, Jørgensen K, Kowalski A. "Method for the Synthesis of 611-97-2 GI3DRY0THD Di-p-tolyl ketone Benzophenone, 4,4'-dimethyl- (8CI) 4,4'-Dimethylbenzophenone Methanone, bis(4-methylphenyl)- 4,4'-Carbonylbis(toluene) p,p'-Dimethyl di-phenyl ketone p,p'-Dimethylbenzophenone EINECS 210-287-6 NSC 1807 NSC 37137 p-Tolyl ketone UNII-GI3DRY0THD" [P]. European Patent, EP 3275151 A1, 2020-07-04.

参考文献 Literature

  1. Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 4,4′-二甲基二苯甲酮 in Pharmaceutical Formulations". Anal. Chem., 2015, 146, (9), 4711-4732.
  2. Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4,4′-二甲基二苯甲酮 as an Impurity". Phytochemistry, 2014, 1199, 1640-1655.
  3. Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 611-97-2 GI3DRY0THD Di-p-tolyl ketone Benzophenone, 4,4'-dimethyl- (8CI) 4,4'-Dimethylbenzophenone Methanone, bis(4-methylphenyl)- 4,4'-Carbonylbis(toluene) p,p'-Dimethyl di-phenyl ketone p,p'-Dimethylbenzophenone EINECS 210-287-6 NSC 1807 NSC 37137 p-Tolyl ketone UNII-GI3DRY0THD Using HRMS and NMR". J. Pharm. Biomed. Anal., 2014, 701, (7), 4106-4135.
  4. Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 4,4′-二甲基二苯甲酮 Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2010, 109, 6771-6779.

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