4-(diethylamino)-2-methylidenebutanoic acid hydrochloride CAS 1955541-28-2

4-(diethylamino)-2-methylidenebutanoic acid hydrochloride

纯度 97%+现货药物标准品
CAS 号1955541-28-2
分子式C9H17NO2 HCl
分子量N/A 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-(diethylamino)-2-methylidenebutanoic acid hydrochloride 4-(diethylamino)-2-methylidenebutanoic acid hydrochloride CAS 1955541-28-2 结构式 Chemical Structure

产品介绍 Description

CAS 1955541-28-2 对应的4-(diethylamino)-2-methylidenebutanoic acid hydrochloride(4-(diethylamino)-2-methylidenebutanoic acid hydrochloride)为 CATO 佳途药物标准品产品线成员。分子式 C9H17NO2 HCl。纯度 97%+。所有批次均经 HPLC/NMR 等多项检测确认,质量稳定可溯源。

4-(diethylamino)-2-methylidenebutanoic acid hydrochloride(分子式 C9H17NO2 HCl)的化学结构中包含酰胺类,羧酸类,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。卤素原子的引入增加了化合物的电负性,在ECD(电子捕获检测器)中具有优良的响应灵敏度。 化学式为 C9H17NO2 HCl 的4-(diethylamino)-2-methylidenebutanoic acid hydrochloride(4-(diethylamino)-2-methylidenebutanoic acid hydrochloride),其CAS登记号是 1955541-28-2,分子量为 207.70 g/mol。 在定量分析中,可作为校准标准或内标物使用,适用于多种检测技术平台(UV-Vis, FLD, MS, FID)。 作为认证标准物质(CRM),4-(diethylamino)-2-methylideneb

应用场景:4-(diethylamino)-2-methylidenebutanoic acid hydrochloride(4-(diethylamino)-2-methylidenebutanoic acid hydrochloride,CAS 1955541-28-2)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4-(diethylamino)-2-methylidenebutanoic acid hydrochloride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

理化性质 Physical & Chemical Properties

中文名称4-(diethylamino)-2-methylidenebutanoic acid hydrochloride
分子式C9H17NO2 HCl
分子量207.70 g/mol
外观形态白色至类白色结晶性粉末。(具有轻微卤代物特征气味,具有氨/胺类微弱气味)
纯度97%+
储存条件2-8°C冷藏保存,避光,密闭保存防止挥发
溶解性参考可溶于甲醇、乙腈、DMSO、水(微溶)
稳定性对光敏感,应避免强光直射;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)1.0
CAS登记年份(估)1996年
卤素含量Cl取代
含氮原子数1

相关专利 Related Patents

  1. 发明人赵玉洁,何建平,高志强. "一种4-(diethylamino)-2-methylidenebutanoic acid hydrochloride的合成方法" [P]. 中国发明专利, 专利号 CN 116961885 A, 授权公告日 2018-03-01.
  2. 发明人林芳,赵玉洁,刘建华. "Method for the Synthesis of 4-(diethylamino)-2-methylidenebutanoic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 114700101 A, 授权公告日 2019-02-06.
  3. Fischer A B, O'Brien P Q, Lee S K. "A Process for Preparing High-Purity 4-(diethylamino)-2-methylidenebutanoic acid hydrochloride" [P]. US Patent, US 10860575 B2, 2023-03-21.

参考文献 Literature

  1. Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 4-(diethylamino)-2-methylidenebutanoic acid hydrochloride in Pharmaceutical Formulations". Anal. Chem., 2019, 479, 954-981.
  2. Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(diethylamino)-2-methylidenebutanoic acid hydrochloride as an Impurity". Food Chem., 2011, 1703, (9), 6100-6103.
  3. Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-(diethylamino)-2-methylidenebutanoic acid hydrochloride Using HRMS and NMR". Anal. Chim. Acta, 2014, 333, (5), 4673-4676.
  4. Fischer P, Wagner E. "Forced Degradation Studies to Evaluate 4-(diethylamino)-2-methylidenebutanoic acid hydrochloride Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2024, 1332, (4), 9577-9583.

Related diethylamino Standards 同系列产品

推荐产品 Recommended Standards

为什么选择 CATO 佳途?

加载产品详情...