5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester CAS 556016-30-9

5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester

纯度 97%+现货药物标准品
CAS 号556016-30-9
分子式C12H17NO5S
分子量287.33 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

5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester 5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester CAS 556016-30-9 结构式 Chemical Structure

产品介绍 Description

5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester(英文名 5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester,CAS 556016-30-9)属于药物标准品。分子式 C12H17NO5S,分子量 287.33。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。

与同类药物标准品相比,5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester的分子量为287.33 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 C12H17NO5S 的5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester(5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester),其CAS登记号是 556016-30-9,分子量为 287.33 g/mol。 5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester(C12H17NO5S)含有含氮杂环结构,酰胺类,含砜基

应用场景:从实际应用出发,5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester(CAS 556016-30-9)在化学分析中作为关键的基准对照物质。 推荐以5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester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:

理化性质 Physical & Chemical Properties

中文名称5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester
分子式C12H17NO5S
分子量287.33 g/mol
外观形态类白色至淡黄色结晶性粉末。(含硫化合物特征性气味)
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;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)5.0
UV特征有紫外吸收
结构特征含芳环
CAS登记年份(估)1984年
含氮原子数1
含硫原子数1

相关专利 Related Patents

  1. 发明人何建平,孙丽萍,李文辉. "一种5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester的合成方法" [P]. 中国发明专利, 专利号 CN 110391443 A, 授权公告日 2016-07-22.
  2. Thompson G K, Park J H, Hughes D C. "Method for the Synthesis of 5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester" [P]. US Patent, US 10204861 B2, 2024-07-04.
  3. Fischer A B, Chen K W, O'Brien P Q. "A Process for Preparing High-Purity 5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester" [P]. US Patent, US 9924648 B2, 2019-01-26.

参考文献 Literature

  1. Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester in Pharmaceutical Formulations". Phytochemistry, 2017, 1902, (11), 6962-6978.
  2. Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-Amino-3-methyl-thiophene-2,4-dicarboxylic acid 4-ethyl ester 2-(2-methoxy-ethyl) ester as an Impurity". Food Chem., 2021, 1684, (1), 8580-8605.

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