2-Methyl-2-(4-methylphenoxy)propanoic acid CAS 23438-11-1

23438-11-1 Propionic acid, 2-methyl-2-(p-tolyloxy)- 3-06-00-01368 (Beilstein Handbook Reference) Acide methyl-2 (p-methylphenoxy)-2 propionique [French] BRN 1952806 2-Methyl-2-(p-tolyloxy)propionic acid Acide methyl-2 (p-methylphenoxy)-2 propionique

纯度 97%+现货药物标准品
CAS 号23438-11-1
分子式C11H20O3
分子量200.27 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-2-(4-methylphenoxy)propanoic acid 23438-11-1 Propionic acid, 2-methyl-2-(p-tolyloxy)- 3-06-00-01368 (Beilstein Handbook Reference) Acide methyl-2 (p-methylphenoxy)-2 propionique [French] BRN 1952806 2-Methyl-2-(p-tolyloxy)propionic acid Acide methyl-2 (p-methylphenoxy)-2 propionique CAS 23438-11-1 结构式 Chemical Structure

产品介绍 Description

2-Methyl-2-(4-methylphenoxy)propanoic acid（23438-11-1 Propionic acid, 2-methyl-2-(p-tolyloxy)- 3-06-00-01368 (Beilstein Handbook Reference) Acide methyl-2 (p-methylphenoxy)-2 propionique [French] BRN 1952806 2-Methyl-2-(p-tolyloxy)propionic acid Acide methyl-2 (p-methylphenoxy)-2 propionique，CAS 号 23438-11-1）是 CATO 佳途自主生产的药物标准品，分子式 C11H20O3，分子量 200.27。纯度 97%+。本品采用严格的质量控制体系生产，附 COA 证书，适用于药物研发、质量控制和法规申报等场景。

2-Methyl-2-(4-methylphenoxy)propanoic acid（23438-11-1 Propionic acid, 2-methyl-2-(p-tolyloxy)- 3-06-00-01368 (Beilstein Handbook Reference) Acide methyl-2 (p-methylphenoxy)-2 propionique French BRN 1952806 2-Methyl-2-(p-tolyloxy)propionic acid Acide methyl-2 (p-methylphenoxy)-2 propionique），CAS注册编号 23438-11-1，化学分子式为 C11H20O3，分子量 200.27 g/mol。 2-Methyl-2-(4-methylphenoxy)propanoic acid（C11H20O3）含有羧酸类，含羟基，含醚键。具有较强的吸湿性，较高的碳氢比使其脂溶性较好，羧基赋予其一定的酸性特征，这些物理化学性质直接决定了其标准溶液的最佳配制方案和储存策略。较高的碳氢原子比赋予该化合物良好的脂溶

应用场景：2-Methyl-2-(4-methylphenoxy)propanoic acid（23438-11-1 Propionic acid, 2-methyl-2-(p-tolyloxy)- 3-06-00-01368 (Beilstein Handbook Reference) Acide methyl-2 (p-methylphenoxy)-2 propionique French BRN 1952806 2-Methyl-2-(p-tolyloxy)propionic acid Acide methyl-2 (p-methylphenoxy)-2 propionique，CAS 234

理化性质 Physical & Chemical Properties

中文名称2-Methyl-2-(4-methylphenoxy)propanoic acid
分子式C11H20O3
分子量200.27 g/mol
外观形态白色至类白色结晶性粉末
纯度97%+
储存条件阴凉处（≤25°C）保存，密封防潮
溶解性参考可溶于甲醇、乙醇、DMSO
稳定性具有吸湿性，开封后应立即密封
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）1963年

相关专利 Related Patents

  1. 发明人王建平，高志强，李文辉. "一种2-Methyl-2-(4-methylphenoxy)propanoic acid的合成方法" [P]. 中国发明专利, 专利号 CN 109533352 B, 授权公告日 2017-04-08.
  2. 发明人徐明华，高志强，冯建国. "Method for the Synthesis of 23438-11-1 Propionic acid, 2-methyl-2-(p-tolyloxy)- 3-06-00-01368 (Beilstein Handbook Reference) Acide methyl-2 (p-methylphenoxy)-2 propionique [French] BRN 1952806 2-Methyl-2-(p-tolyloxy)propionic acid Acide methyl-2 (p-methylphenoxy)-2 propionique" [P]. 中国发明专利, 专利号 CN 117055097 B, 授权公告日 2025-03-27.
  3. Park J H, Stevens L M, O'Brien P Q. "A Process for Preparing High-Purity 23438-11-1 Propionic acid, 2-methyl-2-(p-tolyloxy)- 3-06-00-01368 (Beilstein Handbook Reference) Acide methyl-2 (p-methylphenoxy)-2 propionique [French] BRN 1952806 2-Methyl-2-(p-tolyloxy)propionic acid Acide methyl-2 (p-methylphenoxy)-2 propionique" [P]. US Patent, US 11318192 B2, 2018-11-12.

参考文献 Literature

  1. Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 2-Methyl-2-(4-methylphenoxy)propanoic acid in Pharmaceutical Formulations". Chemosphere, 2017, 692, 5367-5373.
  2. O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-Methyl-2-(4-methylphenoxy)propanoic acid as an Impurity". Rapid Commun. Mass Spectrom., 2014, 1722, 7812-7839.

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