<I>N</I>,<I>N</I>-二甲基-1,4-苯二胺草酸盐 CAS 62778-12-5

4- degrees +/->>u-N,N- paragraph signthorn(1/4)x>>u+/-(1/2) degrees . degrees e(2)YEaNI 62778-12-5 DMPPDA N,N-Dimethyl-1,4-benzenediamine Ethanedioate bis(dimethyl-p-phenylenediamine); oxalic acid paragraph signO paragraph signthorn(1/4)x degrees +/->>u+/-(1/2) degrees . degrees e(2)YEaNI

纯度 97%+现货药物标准品
CAS 号62778-12-5
分子式2*C8H18N2 C2H2O4
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

<I>N</I>,<I>N</I>-二甲基-1,4-苯二胺草酸盐 4- degrees +/->>u-N,N- paragraph signthorn(1/4)x>>u+/-(1/2) degrees . degrees e(2)YEaNI 62778-12-5 DMPPDA N,N-Dimethyl-1,4-benzenediamine Ethanedioate bis(dimethyl-p-phenylenediamine); oxalic acid paragraph signO paragraph signthorn(1/4)x degrees +/->>u+/-(1/2) degrees . degrees e(2)YEaNI CAS 62778-12-5 结构式 Chemical Structure

产品介绍 Description

CAS 62778-12-5 对应的<I>N</I>,<I>N</I>-二甲基-1,4-苯二胺草酸盐（4- degrees +/->>u-N,N- paragraph signthorn(1/4)x>>u+/-(1/2) degrees . degrees e(2)YEaNI 62778-12-5 DMPPDA N,N-Dimethyl-1,4-benzenediamine Ethanedioate bis(dimethyl-p-phenylenediamine); oxalic acid paragraph signO paragraph signthorn(1/4)x degrees +/->>u+/-(1/2) degrees . degrees e(2)YEaNI）为 CATO 佳途药物标准品产品线成员。分子式 2*C8H18N2 C2H2O4。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。

在质量保证方面，<I>N</I>,<I>N</I>-二甲基-1,4-苯二胺草酸盐的生产和定值严格遵循ISO 17034:2016（认证标准物质生产者）的要求。纯度定值采用质量平衡法和定量核磁共振（qNMR）等多种正交方法进行交叉验证，扩展不确定度报告为95%置信水平（k=2）。每个批次的均匀性和稳定性均经过独立的统计评估。 <I>N</I>,<I>N</I>-二甲基-1,4-苯二胺草酸盐（4- degrees +/->>u-N,N- paragraph signthorn(1/4)x>>u+/-(1/2) degrees . degrees e(2)YEaNI 62778-12-5 DMPPDA N,N-Dimethyl-1,4-benzenediamine Ethanedioate bis(dimethyl-p-phenylenediamine); oxalic acid paragraph signO paragraph signthorn(1/4)x degrees +/->>u+/-(1/2) degrees . degrees e(2)YEaNI），

应用场景：针对化学分析用途，<I>N</I>,<I>N</I>-二甲基-1,4-苯二胺草酸盐（4- degrees +/->>u-N,N- paragraph signthorn(1/4)x>>u+/-(1/2) degrees . degrees e(2)YEaNI 62778-12-5 DMPPDA N,N-Dimethyl-1,4-benzenediamine Ethanedioate bis(dimethyl-p-phenylenediamine); oxalic acid paragraph signO paragraph signthorn(1/4)x degrees +/->>u+/-(1

理化性质 Physical & Chemical Properties

中文名称<I>N</I>,<I>N</I>-二甲基-1,4-苯二胺草酸盐
分子式2*C8H18N2 C2H2O4
分子量232.28 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
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）2.0
CAS登记年份（估）1974年
含氮原子数2

相关专利 Related Patents

  1. 发明人陈志强，杨光，罗永刚. "一种<I>N</I>,<I>N</I>-二甲基-1,4-苯二胺草酸盐的合成方法" [P]. 中国发明专利, 专利号 CN 111494604 B, 授权公告日 2015-09-05.
  2. 发明人周伟，杨光，胡光. "Method for the Synthesis of 4- degrees +/->>u-N,N- paragraph signthorn(1/4)x>>u+/-(1/2) degrees . degrees e(2)YEaNI 62778-12-5 DMPPDA N,N-Dimethyl-1,4-benzenediamine Ethanedioate bis(dimethyl-p-phenylenediamine); oxalic acid paragraph signO paragraph signthorn(1/4)x degrees +/->>u+/-(1/2) degrees . degrees e(2)YEaNI" [P]. 中国发明专利, 专利号 CN 116840881 A, 授权公告日 2017-07-16.

参考文献 Literature

  1. Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of <I>N</I>,<I>N</I>-二甲基-1,4-苯二胺草酸盐 in Pharmaceutical Formulations". Biomed. Chromatogr., 2025, 1135, 8982-8986.
  2. Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of <I>N</I>,<I>N</I>-二甲基-1,4-苯二胺草酸盐 as an Impurity". J. Sep. Sci., 2022, 968, (11), 4555-4566.
  3. Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4- degrees +/->>u-N,N- paragraph signthorn(1/4)x>>u+/-(1/2) degrees . degrees e(2)YEaNI 62778-12-5 DMPPDA N,N-Dimethyl-1,4-benzenediamine Ethanedioate bis(dimethyl-p-phenylenediamine); oxalic acid paragraph signO paragraph signthorn(1/4)x degrees +/->>u+/-(1/2) degrees . degrees e(2)YEaNI Using HRMS and NMR". J. Pharm. Biomed. Anal., 2010, 1062, (11), 9421-9450.
  4. O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate <I>N</I>,<I>N</I>-二甲基-1,4-苯二胺草酸盐 Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2021, 1639, 7172-7195.

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