2-氯-5-硝基三氟甲苯 CAS 777-37-7

2-Chloro-5-nitrobenzotrifluoride 5-nitro-2-chlorobenzotrifluoride 2-chloro-a,a,a-trifluoro-5-nitrotoluene 2-chloro-5-nitro-a,a,a-trifluorotoluene 1-chloro-4-nitro-2-trifluoromethyl-benzene 2-chloro-5-nitro benzotrifluoride 2-chloro-5-nitro-alpha,alpha,alpha-trifluorotoluene 1-chloro-2-(trifluoromethyl)-4-nitrobenzene 4-chloro-3-(trifluoromethyl)nitrobenzene 1-chloro-4-nitro-2-(trifluoromethyl)benzene 777-37-7

纯度 97%+现货药物标准品
CAS 号777-37-7
分子式C7H9ClF3NO2
分子量231.60 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

2-氯-5-硝基三氟甲苯 2-Chloro-5-nitrobenzotrifluoride
5-nitro-2-chlorobenzotrifluoride
2-chloro-a,a,a-trifluoro-5-nitrotoluene
2-chloro-5-nitro-a,a,a-trifluorotoluene
1-chloro-4-nitro-2-trifluoromethyl-benzene
2-chloro-5-nitro benzotrifluoride
2-chloro-5-nitro-alpha,alpha,alpha-trifluorotoluene
1-chloro-2-(trifluoromethyl)-4-nitrobenzene
4-chloro-3-(trifluoromethyl)nitrobenzene
1-chloro-4-nitro-2-(trifluoromethyl)benzene
777-37-7 CAS 777-37-7 结构式 Chemical Structure

产品介绍 Description

2-氯-5-硝基三氟甲苯(2-Chloro-5-nitrobenzotrifluoride 5-nitro-2-chlorobenzotrifluoride 2-chloro-a,a,a-trifluoro-5-nitrotoluene 2-chloro-5-nitro-a,a,a-trifluorotoluene 1-chloro-4-nitro-2-trifluoromethyl-benzene 2-chloro-5-nitro benzotrifluoride 2-chloro-5-nitro-alpha,alpha,alpha-trifluorotoluene 1-chloro-2-(trifluoromethyl)-4-nitrobenzene 4-chloro-3-(trifluoromethyl)nitrobenzene 1-chloro-4-nitro-2-(trifluoromethyl)benzene 777-37-7,CAS 号 777-37-7)是 CATO 佳途自主生产的药物标准品,分子式 C7H9ClF3NO2,分子量 231.60。纯度 97%+。本品采用严格的质量控制体系生产,附 COA 证书,适用于药物研发、质量控制和法规申报等场景。

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2-氯-5-硝基三氟甲苯在内的目标物的控制。 CAS编号 777-37-7 对应的化合物2-氯-5-硝基三氟甲苯(英文标识 2-Chloro-5-nitrobenzotrifluoride 5-nitro-2-chlorobenzotrifluoride 2-chloro-a,a,a-trifluoro-5-nitrotoluene 2-chloro-5-nitro-a,a,a-trifluorotoluene 1-chloro-4-nitro-2-trifluoromethyl-benzene 2-chloro-5-nitro benzotrifluoride 2-chloro-5-nitro-alpha,alpha,alpha-trifluorotoluene 1-chloro-2-(trifluoromethyl)-4-nitrobenzene 4-chloro-3-(trifluoromethyl)nitrobenzene 1-chloro-4-nitro-2-(trifluoromethyl)benzene 777

应用场景:从实际应用出发,2-氯-5-硝基三氟甲苯(CAS 777-37-7)在化学分析中作为关键的基准对照物质。 推荐以2-氯-5-硝基三氟甲苯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/乙腈(1:1)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/乙腈(1:1)配制,于2-8°C冷藏保存,避光,密闭保存防止挥发条件下储存; - 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性。

理化性质 Physical & Chemical Properties

中文名称2-氯-5-硝基三氟甲苯
分子式C7H9ClF3NO2
分子量231.60 g/mol
外观形态白色至类白色结晶性粉末。(具有轻微卤代物特征气味,具有氨/胺类微弱气味,挥发性较低)
纯度97%+
储存条件2-8°C冷藏保存,避光,密闭保存防止挥发
溶解性参考可溶于甲醇、乙腈、DMSO、水(微溶)
稳定性对光敏感,应避免强光直射;含酯键,遇强碱易水解
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)1957年
卤素含量F/Cl取代
含氮原子数1

相关专利 Related Patents

  1. 发明人王建平,林芳,唐晓军. "一种2-氯-5-硝基三氟甲苯的合成方法" [P]. 中国发明专利, 专利号 CN 111717623 A, 授权公告日 2022-05-11.
  2. Williams B T, Hughes D C, Johnson M A. "Method for the Synthesis of 2-Chloro-5-nitrobenzotrifluoride 5-nitro-2-chlorobenzotrifluoride 2-chloro-a,a,a-trifluoro-5-nitrotoluene 2-chloro-5-nitro-a,a,a-trifluorotoluene 1-chloro-4-nitro-2-trifluoromethyl-benzene 2-chloro-5-nitro benzotrifluoride 2-chloro-5-nitro-alpha,alpha,alpha-trifluorotoluene 1-chloro-2-(trifluoromethyl)-4-nitrobenzene 4-chloro-3-(trifluoromethyl)nitrobenzene 1-chloro-4-nitro-2-(trifluoromethyl)benzene 777-37-7" [P]. US Patent, US 9239497 B2, 2015-05-03.
  3. Klinger H, Davis P L, Kumar R. "A Process for Preparing High-Purity 2-Chloro-5-nitrobenzotrifluoride 5-nitro-2-chlorobenzotrifluoride 2-chloro-a,a,a-trifluoro-5-nitrotoluene 2-chloro-5-nitro-a,a,a-trifluorotoluene 1-chloro-4-nitro-2-trifluoromethyl-benzene 2-chloro-5-nitro benzotrifluoride 2-chloro-5-nitro-alpha,alpha,alpha-trifluorotoluene 1-chloro-2-(trifluoromethyl)-4-nitrobenzene 4-chloro-3-(trifluoromethyl)nitrobenzene 1-chloro-4-nitro-2-(trifluoromethyl)benzene 777-37-7" [P]. US Patent, US 11090381 B2, 2024-03-13.

参考文献 Literature

  1. O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 2-氯-5-硝基三氟甲苯 in Pharmaceutical Formulations". Phytochemistry, 2018, 2061, 7994-8010.
  2. Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-氯-5-硝基三氟甲苯 as an Impurity". Rapid Commun. Mass Spectrom., 2015, 1331, (4), 8593-8618.
  3. Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-5-nitrobenzotrifluoride 5-nitro-2-chlorobenzotrifluoride 2-chloro-a,a,a-trifluoro-5-nitrotoluene 2-chloro-5-nitro-a,a,a-trifluorotoluene 1-chloro-4-nitro-2-trifluoromethyl-benzene 2-chloro-5-nitro benzotrifluoride 2-chloro-5-nitro-alpha,alpha,alpha-trifluorotoluene 1-chloro-2-(trifluoromethyl)-4-nitrobenzene 4-chloro-3-(trifluoromethyl)nitrobenzene 1-chloro-4-nitro-2-(trifluoromethyl)benzene 777-37-7 Using HRMS and NMR". Anal. Chem., 2025, 1151, 6872-6895.

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