Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester CAS 71634-86-1

Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester

纯度 97%+现货药物标准品
CAS 号71634-86-1
分子式C22H18O9
分子量426.37 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

Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester CAS 71634-86-1 结构式 Chemical Structure

产品介绍 Description

Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester（英文名 Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester，CAS 71634-86-1）属于药物标准品。分子式 C22H18O9，分子量 426.37。纯度 97%+。佳途科技作为 ISO 17034 认可的标准物质生产商，为该产品提供完整的质量文件与技术支持。

作为认证标准物质（CRM），Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester满足CNAS-CL04（ISO/IEC 17025）对标准物质的计量溯源性要求。批间一致性通过控制图（Control Chart）进行持续监控，保证不同批次间量值的一致性。 化学式为 C22H18O9 的Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester（Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester），其CAS登记号是 71634-86-1，分子量为 426.3

应用场景：针对化学分析用途，Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester（Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester）是具有明确定量溯源的认证级对照品。 推荐以Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2

理化性质 Physical & Chemical Properties

中文名称Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester
分子式C22H18O9
分子量426.37 g/mol
外观形态淡黄色至黄色结晶性粉末
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）14.0
UV特征有紫外吸收
结构特征含芳环
CAS登记年份（估）1977年

相关专利 Related Patents

  1. 发明人冯建国，周伟，朱建伟. "一种Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester的合成方法" [P]. 中国发明专利, 专利号 CN 115555688 A, 授权公告日 2015-04-14.
  2. Stevens L M, Kumar R, Yamamoto T. "Method for the Synthesis of Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester" [P]. US Patent, US 11156491 B2, 2019-10-13.

参考文献 Literature

  1. Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester in Pharmaceutical Formulations". J. Agric. Food Chem., 2015, 1445, (10), 9351-9354.
  2. Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of Benzoic acid, 3,4-dihydroxy-, (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester as an Impurity". Chemosphere, 2018, 88, (2), 8873-8894.

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