CAS 88969-31-7

88969-31-7 5-(3-(5-Cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridyl)allylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxopyridine-3-carbonitrile, compound with triethylamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propen-1-ylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propenylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) EINECS 289-457-7 Oxonol 595

纯度 97%+现货药物标准品
CAS 号88969-31-7
分子式C21H20N4O4 C6H15N
分子量N/A 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

88969-31-7 5-(3-(5-Cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridyl)allylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxopyridine-3-carbonitrile, compound with triethylamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propen-1-ylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propenylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) EINECS 289-457-7 Oxonol 595 CAS 88969-31-7 结构式 Chemical Structure

产品介绍 Description

本产品为药物标准品（88969-31-7 5-(3-(5-Cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridyl)allylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxopyridine-3-carbonitrile, compound with triethylamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propen-1-ylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propenylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) EINECS 289-457-7 Oxonol 595，CAS 88969-31-7），分子式 C21H20N4O4 C6H15N。纯度 97%+。适用于分析方法开发、方法验证及日常质检，CATO 提供全程冷链与全球配送。

（C21H20N4O4 C6H15N）含有甾体骨架，酰胺类，含羟基，含醚键。具有较强的吸湿性，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 C21H20N4O4 C6H15N 的（88969-31-7 5-(3-(5-Cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridyl)allylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxopyridine-3-carbonitrile, compound with triethylamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propen-1-ylidene)-1-ethyl-1,2,5,6-tetrahydro-4-met

应用场景：（88969-31-7 5-(3-(5-Cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridyl)allylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxopyridine-3-carbonitrile, compound with triethylamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-prope

理化性质 Physical & Chemical Properties

中文名称
分子式C21H20N4O4 C6H15N
分子量493.61 g/mol
外观形态淡黄色至黄色结晶性粉末
纯度97%+
储存条件阴凉处（≤25°C）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）13.0
UV特征有紫外吸收
结构特征含芳环
CAS登记年份（估）1982年
含氮原子数5

相关专利 Related Patents

  1. 发明人李文辉，张德明，马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114413411 B, 授权公告日 2017-10-26.
  2. Stevens L M, Mueller T, Roberts E F. "Method for the Synthesis of 88969-31-7 5-(3-(5-Cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridyl)allylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxopyridine-3-carbonitrile, compound with triethylamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propen-1-ylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propenylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) EINECS 289-457-7 Oxonol 595" [P]. US Patent, US 9874063 B2, 2018-09-10.

参考文献 Literature

  1. Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2023, 1148, 7548-7578.
  2. Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2018, 2278, (1), 6822-6846.
  3. Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 88969-31-7 5-(3-(5-Cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridyl)allylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxopyridine-3-carbonitrile, compound with triethylamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propen-1-ylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propenylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) EINECS 289-457-7 Oxonol 595 Using HRMS and NMR". Anal. Chim. Acta, 2012, 2184, (7), 7352-7368.
  4. Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2016, 1206, 8660-8666.

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