3-(三氟甲基)苯乙腈 CAS 2338-76-3
1-(3-(trifluoromethyl)phenyl)acetonitrile 2-(3-(trifluoromethyl)phenyl)acetonitrile 2338-76-3 3-(Trifluoromethyl)phenylacetonitrile 3-trifluoromethyl phenylacetonitrile 3-trifluoromethylbenzylcyanide 3-trifluoromethylbenzylnitrile 3-trifluoromethylphenyl acetonitrile 3-trifluoromethylphenyl-acetonitrile 3-trifluoromethylphenylacetonitrile m-(trifluoromethyl)phenylacetonitrile m-trifluoromethylbenzyl cyanide m-trifluoromethylbenzylcyanide
| CAS 号 | 2338-76-3 |
| 分子式 | C9H12F3N |
| 分子量 | 191.19 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
产品介绍 Description
3-(三氟甲基)苯乙腈（英文名 1-(3-(trifluoromethyl)phenyl)acetonitrile 2-(3-(trifluoromethyl)phenyl)acetonitrile 2338-76-3 3-(Trifluoromethyl)phenylacetonitrile 3-trifluoromethyl phenylacetonitrile 3-trifluoromethylbenzylcyanide 3-trifluoromethylbenzylnitrile 3-trifluoromethylphenyl acetonitrile 3-trifluoromethylphenyl-acetonitrile 3-trifluoromethylphenylacetonitrile m-(trifluoromethyl)phenylacetonitrile m-trifluoromethylbenzyl cyanide m-trifluoromethylbenzylcyanide，CAS 2338-76-3）属于药物标准品。分子式 C9H12F3N，分子量 191.19。纯度 97%+。佳途科技作为 ISO 17034 认可的标准物质生产商，为该产品提供完整的质量文件与技术支持。
化学式为 C9H12F3N 的3-(三氟甲基)苯乙腈（1-(3-(trifluoromethyl)phenyl)acetonitrile 2-(3-(trifluoromethyl)phenyl)acetonitrile 2338-76-3 3-(Trifluoromethyl)phenylacetonitrile 3-trifluoromethyl phenylacetonitrile 3-trifluoromethylbenzylcyanide 3-trifluoromethylbenzylnitrile 3-trifluoromethylphenyl acetonitrile 3-trifluoromethylphenyl-acetonitrile 3-trifluoromethylphenylacetonitrile m-(trifluoromethyl)phenylacetonitrile m-trifluoromethylbenzyl cyanide m-trifluoromethylbenzylcyanide），其CAS登记号是 2338-76-3，分子量为 191.19
应用场景：从实际应用出发，3-(三氟甲基)苯乙腈（CAS 2338-76-3）在化学分析中作为关键的基准对照物质。 推荐以3-(三氟甲基)苯乙腈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 | 3-(三氟甲基)苯乙腈 |
| 分子式 | C9H12F3N |
| 分子量 | 191.19 g/mol |
| 外观形态 | 白色至淡黄色结晶性粉末。（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 |
| 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 |
| 化合物类型 | 药物标准品 |
| 子类 | 原料药标准品 |
| 不饱和度（DBE） | 3.0 |
| UV特征 | 有紫外吸收 |
| CAS登记年份（估） | 1957年 |
| 卤素含量 | F取代 |
| 含氮原子数 | 1 |
相关专利 Related Patents
- 发明人杨光，陈志强，李文辉. "一种3-(三氟甲基)苯乙腈的合成方法" [P]. 中国发明专利, 专利号 CN 113674472 B, 授权公告日 2025-11-09.
- Schröder R, Kumar R, Stevens L M. "Method for the Synthesis of 1-(3-(trifluoromethyl)phenyl)acetonitrile 2-(3-(trifluoromethyl)phenyl)acetonitrile 2338-76-3 3-(Trifluoromethyl)phenylacetonitrile 3-trifluoromethyl phenylacetonitrile 3-trifluoromethylbenzylcyanide 3-trifluoromethylbenzylnitrile 3-trifluoromethylphenyl acetonitrile 3-trifluoromethylphenyl-acetonitrile 3-trifluoromethylphenylacetonitrile m-(trifluoromethyl)phenylacetonitrile m-trifluoromethylbenzyl cyanide m-trifluoromethylbenzylcyanide" [P]. US Patent, US 11795910 B2, 2019-11-22.
参考文献 Literature
- Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 3-(三氟甲基)苯乙腈 in Pharmaceutical Formulations". Sci. Total Environ., 2024, 849, 2637-2657.
- Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-(三氟甲基)苯乙腈 as an Impurity". Rapid Commun. Mass Spectrom., 2024, 2404, (4), 7410-7438.
- Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 1-(3-(trifluoromethyl)phenyl)acetonitrile 2-(3-(trifluoromethyl)phenyl)acetonitrile 2338-76-3 3-(Trifluoromethyl)phenylacetonitrile 3-trifluoromethyl phenylacetonitrile 3-trifluoromethylbenzylcyanide 3-trifluoromethylbenzylnitrile 3-trifluoromethylphenyl acetonitrile 3-trifluoromethylphenyl-acetonitrile 3-trifluoromethylphenylacetonitrile m-(trifluoromethyl)phenylacetonitrile m-trifluoromethylbenzyl cyanide m-trifluoromethylbenzylcyanide Using HRMS and NMR". Anal. Chim. Acta, 2014, 673, 321-345.
- Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 3-(三氟甲基)苯乙腈 Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2022, 117, 7882-7910.
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