4-硝基-2-甲基吡啶-<I>N</I>-氧化物 CAS 5470-66-6

4-Nitro-2-picoline-N-oxide 2-methyl-4-nitropyridine-1-oxide 2-methyl-4-nitropyridinium-1-olate 4-nitropyridine-2-picoline-n-oxide 4-nitro-2-picoline n-oxide 2-methyl-4-nitro-pyridine-n-oxide 2-methyl-4-nitropyridine 1-oxide pyridine, 2-methyl-4-nitro-, 1-oxide 2-methyl-4-nitropyridine-n-oxide 4-nitro-2-methylpyridine-n-oxide 2-Methyl-4-nitropyridine N-oxide 5470-66-6

纯度 97%+现货药物标准品
CAS 号5470-66-6
分子式C6H11N2O3
分子量159.16 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

4-硝基-2-甲基吡啶-<I>N</I>-氧化物 4-Nitro-2-picoline-N-oxide
2-methyl-4-nitropyridine-1-oxide
2-methyl-4-nitropyridinium-1-olate
4-nitropyridine-2-picoline-n-oxide
4-nitro-2-picoline n-oxide
2-methyl-4-nitro-pyridine-n-oxide
2-methyl-4-nitropyridine 1-oxide
pyridine, 2-methyl-4-nitro-, 1-oxide
2-methyl-4-nitropyridine-n-oxide
4-nitro-2-methylpyridine-n-oxide
2-Methyl-4-nitropyridine N-oxide
5470-66-6 CAS 5470-66-6 结构式 Chemical Structure

产品介绍 Description

CAS 5470-66-6 对应的4-硝基-2-甲基吡啶-<I>N</I>-氧化物(4-Nitro-2-picoline-N-oxide 2-methyl-4-nitropyridine-1-oxide 2-methyl-4-nitropyridinium-1-olate 4-nitropyridine-2-picoline-n-oxide 4-nitro-2-picoline n-oxide 2-methyl-4-nitro-pyridine-n-oxide 2-methyl-4-nitropyridine 1-oxide pyridine, 2-methyl-4-nitro-, 1-oxide 2-methyl-4-nitropyridine-n-oxide 4-nitro-2-methylpyridine-n-oxide 2-Methyl-4-nitropyridine N-oxide 5470-66-6)为 CATO 佳途药物标准品产品线成员。分子式 C6H11N2O3,分子量 159.16。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。

在现行药典和法规框架下,药物标准品的合规要求中明确涉及对包括4-硝基-2-甲基吡啶-<I>N</I>-氧化物在内的目标物的控制。 4-硝基-2-甲基吡啶-<I>N</I>-氧化物(4-Nitro-2-picoline-N-oxide 2-methyl-4-nitropyridine-1-oxide 2-methyl-4-nitropyridinium-1-olate 4-nitropyridine-2-picoline-n-oxide 4-nitro-2-picoline n-oxide 2-methyl-4-nitro-pyridine-n-oxide 2-methyl-4-nitropyridine 1-oxide pyridine, 2-methyl-4-nitro-, 1-oxide 2-methyl-4-nitropyridine-n-oxide 4-nitro-2-methylpyridine-n-oxide 2-Methyl-4-nitropyridine N-oxide 5470-66-6),CAS注册编号 5470-66-6,化学分子式为 C6H11N2O3,分子量

应用场景:从实际应用出发,4-硝基-2-甲基吡啶-<I>N</I>-氧化物(CAS 5470-66-6)在化学分析中作为关键的基准对照物质。 推荐以4-硝基-2-甲基吡啶-<I>N</I>-氧化物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: - 称量前将样品在干燥器内平衡至室温(约30分钟); - 储备溶液建议用甲醇配制,于2-8°C冷藏保存,避光,密封防潮条件下储存; - 低浓度工作液(<10 μg/mL)建议当天配制使用,不宜长期存放; - 开启安瓿瓶/西林瓶后应在干燥环境下尽快使用,防止吸潮影响称量准确

理化性质 Physical & Chemical Properties

中文名称4-硝基-2-甲基吡啶-<I>N</I>-氧化物
分子式C6H11N2O3
分子量159.16 g/mol
外观形态白色至类白色结晶性粉末。(具有氨/胺类微弱气味)
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、乙醇、DMSO、水
稳定性对光敏感,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)2.5
CAS登记年份(估)1958年
含氮原子数2

相关专利 Related Patents

  1. 发明人林芳,赵玉洁,冯建国. "一种4-硝基-2-甲基吡啶-<I>N</I>-氧化物的合成方法" [P]. 中国发明专利, 专利号 CN 109951733 A, 授权公告日 2017-07-26.
  2. 发明人冯建国,赵玉洁,朱建伟. "Method for the Synthesis of 4-Nitro-2-picoline-N-oxide 2-methyl-4-nitropyridine-1-oxide 2-methyl-4-nitropyridinium-1-olate 4-nitropyridine-2-picoline-n-oxide 4-nitro-2-picoline n-oxide 2-methyl-4-nitro-pyridine-n-oxide 2-methyl-4-nitropyridine 1-oxide pyridine, 2-methyl-4-nitro-, 1-oxide 2-methyl-4-nitropyridine-n-oxide 4-nitro-2-methylpyridine-n-oxide 2-Methyl-4-nitropyridine N-oxide 5470-66-6" [P]. 中国发明专利, 专利号 CN 110630463 B, 授权公告日 2023-07-23.

参考文献 Literature

  1. Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of 4-硝基-2-甲基吡啶-<I>N</I>-氧化物 in Pharmaceutical Formulations". Talanta, 2018, 1697, (3), 1215-1245.
  2. Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-硝基-2-甲基吡啶-<I>N</I>-氧化物 as an Impurity". Chromatographia, 2024, 1953, (4), 797-825.
  3. Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-Nitro-2-picoline-N-oxide 2-methyl-4-nitropyridine-1-oxide 2-methyl-4-nitropyridinium-1-olate 4-nitropyridine-2-picoline-n-oxide 4-nitro-2-picoline n-oxide 2-methyl-4-nitro-pyridine-n-oxide 2-methyl-4-nitropyridine 1-oxide pyridine, 2-methyl-4-nitro-, 1-oxide 2-methyl-4-nitropyridine-n-oxide 4-nitro-2-methylpyridine-n-oxide 2-Methyl-4-nitropyridine N-oxide 5470-66-6 Using HRMS and NMR". J. Nat. Prod., 2025, 712, 698-716.
  4. Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate 4-硝基-2-甲基吡啶-<I>N</I>-氧化物 Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2010, 1748, (3), 6004-6028.

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