对苯二腈 CAS 623-26-7

623-26-7 E6ITH5CIS3 1,4-Dicyanobenzene 1,4-Benzenedicarbonitrile Terephthalonitrile 1,4-Benzendikarbonitril [Czech] p-Benzenedinitrile 1,4-Benzodinitrile 4-Cyanobenzonitrile p-Dicyanobenzene EINECS 210-783-2 Nitril kyseliny tereftalove [Czech] NSC 144977 NSC 78439 p-Pdn p-Phthalodinitrile Tereftalodinitril [Czech] Tereftalonitril [Czech] Terephthalic acid dinitrile Terephthalodinitril [German] Terephthalodinitrile 1,4-Benzendikarbonitril Nitril kyseliny tereftalove Tereftalodinitril Tereftalonitril Terephthalodinitril UNII-E6ITH5CIS3

纯度 97%+现货药物标准品
CAS 号623-26-7
分子式C8H10N2
分子量134.18 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

对苯二腈 623-26-7 E6ITH5CIS3 1,4-Dicyanobenzene 1,4-Benzenedicarbonitrile Terephthalonitrile 1,4-Benzendikarbonitril [Czech] p-Benzenedinitrile 1,4-Benzodinitrile 4-Cyanobenzonitrile p-Dicyanobenzene EINECS 210-783-2 Nitril kyseliny tereftalove [Czech] NSC 144977 NSC 78439 p-Pdn p-Phthalodinitrile Tereftalodinitril [Czech] Tereftalonitril [Czech] Terephthalic acid dinitrile Terephthalodinitril [German] Terephthalodinitrile 1,4-Benzendikarbonitril Nitril kyseliny tereftalove Tereftalodinitril Tereftalonitril Terephthalodinitril UNII-E6ITH5CIS3 CAS 623-26-7 结构式 Chemical Structure

产品介绍 Description

CAS 623-26-7 对应的对苯二腈（623-26-7 E6ITH5CIS3 1,4-Dicyanobenzene 1,4-Benzenedicarbonitrile Terephthalonitrile 1,4-Benzendikarbonitril [Czech] p-Benzenedinitrile 1,4-Benzodinitrile 4-Cyanobenzonitrile p-Dicyanobenzene EINECS 210-783-2 Nitril kyseliny tereftalove [Czech] NSC 144977 NSC 78439 p-Pdn p-Phthalodinitrile Tereftalodinitril [Czech] Tereftalonitril [Czech] Terephthalic acid dinitrile Terephthalodinitril [German] Terephthalodinitrile 1,4-Benzendikarbonitril Nitril kyseliny tereftalove Tereftalodinitril Tereftalonitril Terephthalodinitril UNII-E6ITH5CIS3）为 CATO 佳途药物标准品产品线成员。分子式 C8H10N2，分子量 134.18。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。

CAS编号 623-26-7 对应的化合物对苯二腈（英文标识 623-26-7 E6ITH5CIS3 1,4-Dicyanobenzene 1,4-Benzenedicarbonitrile Terephthalonitrile 1,4-Benzendikarbonitril Czech p-Benzenedinitrile 1,4-Benzodinitrile 4-Cyanobenzonitrile p-Dicyanobenzene EINECS 210-783-2 Nitril kyseliny tereftalove Czech NSC 144977 NSC 78439 p-Pdn p-Phthalodinitrile Tereftalodinitril Czech Tereftalonitril Czech Terephthalic acid dinitrile Terephthalodinitril German Terephthalodinitrile 1,4-Benzendikarbonitril Nitril kyseliny tereftalove

应用场景：对苯二腈（623-26-7 E6ITH5CIS3 1,4-Dicyanobenzene 1,4-Benzenedicarbonitrile Terephthalonitrile 1,4-Benzendikarbonitril Czech p-Benzenedinitrile 1,4-Benzodinitrile 4-Cyanobenzonitrile p-Dicyanobenzene EINECS 210-783-2 Nitril kyseliny tereftalove Czech NSC 144977 NSC 78439 p-Pdn p-Phthalodinitrile Teref

理化性质 Physical & Chemical Properties

中文名称对苯二腈
分子式C8H10N2
分子量134.18 g/mol
外观形态类白色至淡黄色液体。（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
溶解性参考可溶于DMSO、DMF、甲醇
稳定性对光敏感，应避免强光直射
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）1957年
含氮原子数2

相关专利 Related Patents

  1. Björnsson E, Sørensen M, Nowak P. "一种对苯二腈的合成方法" [P]. European Patent, EP 3281025 A1, 2022-06-21.
  2. Rossi M, Kowalski A, Sørensen M. "Method for the Synthesis of 623-26-7 E6ITH5CIS3 1,4-Dicyanobenzene 1,4-Benzenedicarbonitrile Terephthalonitrile 1,4-Benzendikarbonitril [Czech] p-Benzenedinitrile 1,4-Benzodinitrile 4-Cyanobenzonitrile p-Dicyanobenzene EINECS 210-783-2 Nitril kyseliny tereftalove [Czech] NSC 144977 NSC 78439 p-Pdn p-Phthalodinitrile Tereftalodinitril [Czech] Tereftalonitril [Czech] Terephthalic acid dinitrile Terephthalodinitril [German] Terephthalodinitrile 1,4-Benzendikarbonitril Nitril kyseliny tereftalove Tereftalodinitril Tereftalonitril Terephthalodinitril UNII-E6ITH5CIS3" [P]. European Patent, EP 3825760 A1, 2016-12-11.
  3. Kumar R, Schröder R, Patel M V. "A Process for Preparing High-Purity 623-26-7 E6ITH5CIS3 1,4-Dicyanobenzene 1,4-Benzenedicarbonitrile Terephthalonitrile 1,4-Benzendikarbonitril [Czech] p-Benzenedinitrile 1,4-Benzodinitrile 4-Cyanobenzonitrile p-Dicyanobenzene EINECS 210-783-2 Nitril kyseliny tereftalove [Czech] NSC 144977 NSC 78439 p-Pdn p-Phthalodinitrile Tereftalodinitril [Czech] Tereftalonitril [Czech] Terephthalic acid dinitrile Terephthalodinitril [German] Terephthalodinitrile 1,4-Benzendikarbonitril Nitril kyseliny tereftalove Tereftalodinitril Tereftalonitril Terephthalodinitril UNII-E6ITH5CIS3" [P]. US Patent, US 11125294 B2, 2022-01-04.

参考文献 Literature

  1. Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 对苯二腈 in Pharmaceutical Formulations". Anal. Chem., 2011, 304, 4316-4331.
  2. Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 对苯二腈 as an Impurity". Talanta, 2025, 1610, 6432-6456.
  3. Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 623-26-7 E6ITH5CIS3 1,4-Dicyanobenzene 1,4-Benzenedicarbonitrile Terephthalonitrile 1,4-Benzendikarbonitril [Czech] p-Benzenedinitrile 1,4-Benzodinitrile 4-Cyanobenzonitrile p-Dicyanobenzene EINECS 210-783-2 Nitril kyseliny tereftalove [Czech] NSC 144977 NSC 78439 p-Pdn p-Phthalodinitrile Tereftalodinitril [Czech] Tereftalonitril [Czech] Terephthalic acid dinitrile Terephthalodinitril [German] Terephthalodinitrile 1,4-Benzendikarbonitril Nitril kyseliny tereftalove Tereftalodinitril Tereftalonitril Terephthalodinitril UNII-E6ITH5CIS3 Using HRMS and NMR". Sci. Total Environ., 2019, 2413, (4), 8288-8313.

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