ethyl 4-cyano-5-{[(1E)-(dimethylamino)methylene]amino}-3-methylthiophene-2-carboxylate CAS 1087792-54-8

ethyl 4-cyano-5-{[(1E)-(dimethylamino)methylene]amino}-3-methylthiophene-2-carboxylate

纯度 97%+现货药物标准品
CAS 号1087792-54-8
分子式C12H15N3O2S
分子量265.33 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

ethyl 4-cyano-5-{[(1E)-(dimethylamino)methylene]amino}-3-methylthiophene-2-carboxylate ethyl 4-cyano-5-{[(1E)-(dimethylamino)methylene]amino}-3-methylthiophene-2-carboxylate CAS 1087792-54-8 结构式 Chemical Structure

产品介绍 Description

ethyl 4-cyano-5-{[(1E)-(dimethylamino)methylene]amino}-3-methylthiophene-2-carboxylate(ethyl 4-cyano-5-{[(1E)-(dimethylamino)methylene]amino}-3-methylthiophene-2-carboxylate)是药物分析与质量控制领域常用的药物标准品,CAS 号 1087792-54-8。分子式 C12H15N3O2S,分子量 265.33。纯度 97%+。CATO 佳途拥有 130,000+ 标准品现货目录,可一站式满足配套采购需求。

依据分子式为 C12H15N3O2S 的ethyl 4-cyano-5-{(1E)-(dimethylamino)methyleneamino}-3-methylthiophene-2-carboxylate结构特征,其分子内含含氮杂环结构,酰胺类,含砜基,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 265.33 g/mol 这一参数对质谱检测中的分子离子峰识别具有直接参考价值。分子中的氮原子赋予该化合物一定的碱性特征,在酸性流动相条件下可被有效质子化。 化学式为 C12H15N3O2S 的ethyl 4-cyano-5-{(1E)-(dimethylamino)methyleneamino}-3-methylthiophene-2-carboxylate(ethyl 4-cyano-5-{(1E)-(dimethylamino)methyleneamino}-3-methylthiophene-2-carboxylate),其CAS登记号是 1087792-54-8,分子量为 265.33 g/mol。 本品适用于HPLC、GC、LC

应用场景:针对化学分析用途,ethyl 4-cyano-5-{ (1E)-(dimethylamino)methylene amino}-3-methylthiophene-2-carboxylate(ethyl 4-cyano-5-{ (1E)-(dimethylamino)methylene amino}-3-methylthiophene-2-carboxylate)是具有明确定量溯源的认证级对照品。 推荐以ethyl 4-cyano-5-{ (1E)-(dimethylamino)methylene amino}-3-methylthiophene-2-carboxylate配制标准系列工作溶

理化性质 Physical & Chemical Properties

中文名称ethyl 4-cyano-5-{[(1E)-(dimethylamino)methylene]amino}-3-methylthiophene-2-carboxylate
分子式C12H15N3O2S
分子量265.33 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DMSO、DMF、甲醇
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)7.0
UV特征有紫外吸收
结构特征含芳环
CAS登记年份(估)1989年
含氮原子数3
含硫原子数1

相关专利 Related Patents

  1. 发明人钱学锋,陈志强,王建平. "一种ethyl 4-cyano-5-{[(1E)-(dimethylamino)methylene]amino}-3-methylthiophene-2-carboxylate的合成方法" [P]. 中国发明专利, 专利号 CN 116044867 B, 授权公告日 2019-12-10.
  2. 发明人王建平,冯建国,罗永刚. "Method for the Synthesis of ethyl 4-cyano-5-{[(1E)-(dimethylamino)methylene]amino}-3-methylthiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114219194 B, 授权公告日 2024-02-09.
  3. Kowalski A, Mueller T C, Rossi M. "A Process for Preparing High-Purity ethyl 4-cyano-5-{[(1E)-(dimethylamino)methylene]amino}-3-methylthiophene-2-carboxylate" [P]. European Patent, EP 3105654 A1, 2017-04-15.

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 ethyl 4-cyano-5-{[(1E)-(dimethylamino)methylene]amino}-3-methylthiophene-2-carboxylate in Pharmaceutical Formulations". Talanta, 2018, 736, 1108-1137.
  2. Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl 4-cyano-5-{[(1E)-(dimethylamino)methylene]amino}-3-methylthiophene-2-carboxylate as an Impurity". Anal. Chim. Acta, 2010, 1092, (4), 9517-9532.

Related ethyl 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...