CAS 148245-77-6

(2S,4S,E)-Methyl 3-ethylidene-4-(2-oxo-2-(4-(2-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)ethyl)phenoxy)ethyl)-2-((3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3,4-dihydro-2H-pyran-5-carboxylate

纯度 97%+现货药物标准品
CAS 号148245-77-6
分子式C31H42O17
分子量686.65 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

(2S,4S,E)-Methyl 3-ethylidene-4-(2-oxo-2-(4-(2-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)ethyl)phenoxy)ethyl)-2-((3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3,4-dihydro-2H-pyran-5-carboxylate CAS 148245-77-6 结构式 Chemical Structure

产品介绍 Description

CAS 148245-77-6 对应的（(2S,4S,E)-Methyl 3-ethylidene-4-(2-oxo-2-(4-(2-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)ethyl)phenoxy)ethyl)-2-((3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3,4-dihydro-2H-pyran-5-carboxylate）为 CATO 佳途药物标准品产品线成员。分子式 C31H42O17，分子量 686.65。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。

与同类药物标准品相比，的分子量为686.65 g/mol这一特征使其在色谱分离条件和质谱检测参数设置上具有独特性。 化学式为 C31H42O17 的（(2S,4S,E)-Methyl 3-ethylidene-4-(2-oxo-2-(4-(2-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)ethyl)phenoxy)ethyl)-2-((3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3,4-dihydro-2H-pyran-5-carboxylate），其CAS登记号是 148245-77-6，分子量为 686.65 g/mol。 （C31H42O17）含有羧酸类，含羟基，含醚键，多环芳烃。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。分子中包含芳环或共轭体系，在UV-Vis光谱中具有特征性吸收带，适用于紫外或二极管阵列检测器（DAD）的定量分

应用场景：（(2S,4S,E)-Methyl 3-ethylidene-4-(2-oxo-2-(4-(2-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)ethyl)phenoxy)ethyl)-2-((3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3,4-dihydro-2H-pyran-5-carboxylate，CAS 148245-77-6）的标准化应用场景涵盖化学分析等多个专业技术领域。 推荐以配

理化性质 Physical & Chemical Properties

中文名称
分子式C31H42O17
分子量686.65 g/mol
外观形态淡黄色至黄色无定形粉末
纯度97%+
储存条件室温保存，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）1999年

相关专利 Related Patents

  1. 发明人马晓峰，杨光，罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109499236 B, 授权公告日 2021-02-25.
  2. Mueller T, Patel M V, Johnson M A. "Method for the Synthesis of (2S,4S,E)-Methyl 3-ethylidene-4-(2-oxo-2-(4-(2-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)ethyl)phenoxy)ethyl)-2-((3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3,4-dihydro-2H-pyran-5-carboxylate" [P]. US Patent, US 11256517 B2, 2019-01-25.
  3. 发明人林芳，郑宇鹏，郭海燕. "A Process for Preparing High-Purity (2S,4S,E)-Methyl 3-ethylidene-4-(2-oxo-2-(4-(2-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)ethyl)phenoxy)ethyl)-2-((3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3,4-dihydro-2H-pyran-5-carboxylate" [P]. 中国发明专利, 专利号 CN 117670070 B, 授权公告日 2025-01-22.

参考文献 Literature

  1. Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2015, 444, 923-943.
  2. O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2013, 1592, (5), 8441-8457.
  3. Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of (2S,4S,E)-Methyl 3-ethylidene-4-(2-oxo-2-(4-(2-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)ethyl)phenoxy)ethyl)-2-((3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3,4-dihydro-2H-pyran-5-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 2440, 3921-3927.
  4. Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2024, 1563, (2), 3944-3963.

推荐产品 Recommended Standards

为什么选择 CATO 佳途？

加载产品详情...