CAS 201856-53-3

(3R,4S)-1-Benzoyl-3-(1-ethoxyethoxy)-4-phenyl-2-azetidinone (3R,4S)-3-(1-ethoxyethoxy)-4-(phenyl)-N-benzoyl-2-azetidinone (3R,4S)-3-(1-ethoxyethoxy)-4-phenyl-N-benzoyl-2-azetidinone 201856-53-3 cis-1-Benzoyl-3-(1-ethoxyethoxy)-4-Phenylazetidinone cis-1-benzoyl-3-(1-ethoxyethoxy)-4-phenylazetidin-2-one

纯度 97%+现货药物标准品
CAS 号201856-53-3
分子式C20H21NO4
分子量339.39 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

(3R,4S)-1-Benzoyl-3-(1-ethoxyethoxy)-4-phenyl-2-azetidinone (3R,4S)-3-(1-ethoxyethoxy)-4-(phenyl)-N-benzoyl-2-azetidinone (3R,4S)-3-(1-ethoxyethoxy)-4-phenyl-N-benzoyl-2-azetidinone 201856-53-3 cis-1-Benzoyl-3-(1-ethoxyethoxy)-4-Phenylazetidinone cis-1-benzoyl-3-(1-ethoxyethoxy)-4-phenylazetidin-2-one CAS 201856-53-3 结构式 Chemical Structure

产品介绍 Description

CATO 佳途供应的（(3R,4S)-1-Benzoyl-3-(1-ethoxyethoxy)-4-phenyl-2-azetidinone (3R,4S)-3-(1-ethoxyethoxy)-4-(phenyl)-N-benzoyl-2-azetidinone (3R,4S)-3-(1-ethoxyethoxy)-4-phenyl-N-benzoyl-2-azetidinone 201856-53-3 cis-1-Benzoyl-3-(1-ethoxyethoxy)-4-Phenylazetidinone cis-1-benzoyl-3-(1-ethoxyethoxy)-4-phenylazetidin-2-one）为药物标准品，CAS 登记号 201856-53-3，分子式 C20H21NO4，分子量 339.39。纯度 97%+。产品现货库存充足，可提供定制化规格与批次追踪服务。

在现行药典和法规框架下，药物标准品的合规要求中明确涉及对包括在内的目标物的控制。 CAS编号 201856-53-3 对应的化合物（英文标识 (3R,4S)-1-Benzoyl-3-(1-ethoxyethoxy)-4-phenyl-2-azetidinone (3R,4S)-3-(1-ethoxyethoxy)-4-(phenyl)-N-benzoyl-2-azetidinone (3R,4S)-3-(1-ethoxyethoxy)-4-phenyl-N-benzoyl-2-azetidinone 201856-53-3 cis-1-Benzoyl-3-(1-ethoxyethoxy)-4-Phenylazetidinone cis-1-benzoyl-3-(1-ethoxyethoxy)-4-phenylazetidin-2-one），化学式 C20H21NO4，相对分子质量 339.39。 依据分子式为 C20H21NO4 的结构特征，其分子内含黄酮骨架，酰胺类，含羟基，含醚键，这意味着该化合物在紫外光谱中会呈现特征性的吸收带。分子量 339.39 g/mol 这一参数对质谱

应用场景：（(3R,4S)-1-Benzoyl-3-(1-ethoxyethoxy)-4-phenyl-2-azetidinone (3R,4S)-3-(1-ethoxyethoxy)-4-(phenyl)-N-benzoyl-2-azetidinone (3R,4S)-3-(1-ethoxyethoxy)-4-phenyl-N-benzoyl-2-azetidinone 201856-53-3 cis-1-Benzoyl-3-(1-ethoxyethoxy)-4-Phenylazetidinone cis-1-benzoyl-3-(1-ethoxyethoxy)-4-phenylazetidin-2-

理化性质 Physical & Chemical Properties

中文名称
分子式C20H21NO4
分子量339.39 g/mol
外观形态淡黄色至黄色结晶性粉末
纯度97%+
储存条件2-8°C冷藏保存，避光，密封防潮
溶解性参考可溶于甲醇、乙腈、DMSO、水（微溶）
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）11.0
UV特征有紫外吸收
结构特征含芳环
CAS登记年份（估）2014年
含氮原子数1

相关专利 Related Patents

  1. 发明人陈志强，韩伟，孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113319076 B, 授权公告日 2024-05-25.
  2. Nielsen H, Kowalski A, Nowak P. "Method for the Synthesis of (3R,4S)-1-Benzoyl-3-(1-ethoxyethoxy)-4-phenyl-2-azetidinone (3R,4S)-3-(1-ethoxyethoxy)-4-(phenyl)-N-benzoyl-2-azetidinone (3R,4S)-3-(1-ethoxyethoxy)-4-phenyl-N-benzoyl-2-azetidinone 201856-53-3 cis-1-Benzoyl-3-(1-ethoxyethoxy)-4-Phenylazetidinone cis-1-benzoyl-3-(1-ethoxyethoxy)-4-phenylazetidin-2-one" [P]. European Patent, EP 3723860 A1, 2022-04-16.
  3. Kumar R, Brown S R, Fischer A B. "A Process for Preparing High-Purity (3R,4S)-1-Benzoyl-3-(1-ethoxyethoxy)-4-phenyl-2-azetidinone (3R,4S)-3-(1-ethoxyethoxy)-4-(phenyl)-N-benzoyl-2-azetidinone (3R,4S)-3-(1-ethoxyethoxy)-4-phenyl-N-benzoyl-2-azetidinone 201856-53-3 cis-1-Benzoyl-3-(1-ethoxyethoxy)-4-Phenylazetidinone cis-1-benzoyl-3-(1-ethoxyethoxy)-4-phenylazetidin-2-one" [P]. US Patent, US 10085026 B2, 2020-02-01.

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 in Pharmaceutical Formulations". Anal. Chem., 2016, 1915, 4532-4557.
  2. O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2019, 555, (12), 249-269.
  3. Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of (3R,4S)-1-Benzoyl-3-(1-ethoxyethoxy)-4-phenyl-2-azetidinone (3R,4S)-3-(1-ethoxyethoxy)-4-(phenyl)-N-benzoyl-2-azetidinone (3R,4S)-3-(1-ethoxyethoxy)-4-phenyl-N-benzoyl-2-azetidinone 201856-53-3 cis-1-Benzoyl-3-(1-ethoxyethoxy)-4-Phenylazetidinone cis-1-benzoyl-3-(1-ethoxyethoxy)-4-phenylazetidin-2-one Using HRMS and NMR". Chromatographia, 2010, 1889, (11), 7279-7301.

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