4-氧代-4<I>H</I>-1-苯并吡喃-2-羧酸 CAS 4940-39-0

4940-39-0 FY38S0790W Chromocarb [INN:DCF] Chromone-2-carboxylic acid 4H-1-Benzopyran-2-carboxylic acid, 4-oxo- 4-Oxo-4H-1-benzopyran-2-carboxylic acid 4-Oxo-4H-chromene-2-carboxylic acid 5-18-08-00312 (Beilstein Handbook Reference) Atremon BRN 0146442 Chromocarb Chromocarbe [INN-French] Chromocarbum [INN-Latin] Chromonecarboxylic acid Cromocarbo [INN-Spanish] EINECS 225-583-0 LP-1 Chromocarbe Chromocarbum Cromocarbo UNII-FY38S0790W

纯度 97%+现货药物标准品
CAS 号4940-39-0
分子式C10H12O4
分子量196.20 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-氧代-4<I>H</I>-1-苯并吡喃-2-羧酸 4940-39-0 FY38S0790W Chromocarb [INN:DCF] Chromone-2-carboxylic acid 4H-1-Benzopyran-2-carboxylic acid, 4-oxo- 4-Oxo-4H-1-benzopyran-2-carboxylic acid 4-Oxo-4H-chromene-2-carboxylic acid 5-18-08-00312 (Beilstein Handbook Reference) Atremon BRN 0146442 Chromocarb Chromocarbe [INN-French] Chromocarbum [INN-Latin] Chromonecarboxylic acid Cromocarbo [INN-Spanish] EINECS 225-583-0 LP-1 Chromocarbe Chromocarbum Cromocarbo UNII-FY38S0790W CAS 4940-39-0 结构式 Chemical Structure

产品介绍 Description

本产品为药物标准品4-氧代-4<I>H</I>-1-苯并吡喃-2-羧酸（4940-39-0 FY38S0790W Chromocarb [INN:DCF] Chromone-2-carboxylic acid 4H-1-Benzopyran-2-carboxylic acid, 4-oxo- 4-Oxo-4H-1-benzopyran-2-carboxylic acid 4-Oxo-4H-chromene-2-carboxylic acid 5-18-08-00312 (Beilstein Handbook Reference) Atremon BRN 0146442 Chromocarb Chromocarbe [INN-French] Chromocarbum [INN-Latin] Chromonecarboxylic acid Cromocarbo [INN-Spanish] EINECS 225-583-0 LP-1 Chromocarbe Chromocarbum Cromocarbo UNII-FY38S0790W，CAS 4940-39-0），分子式 C10H12O4，分子量 196.20。纯度 97%+。适用于分析方法开发、方法验证及日常质检，CATO 提供全程冷链与全球配送。

4-氧代-4<I>H</I>-1-苯并吡喃-2-羧酸（4940-39-0 FY38S0790W Chromocarb INN:DCF Chromone-2-carboxylic acid 4H-1-Benzopyran-2-carboxylic acid, 4-oxo- 4-Oxo-4H-1-benzopyran-2-carboxylic acid 4-Oxo-4H-chromene-2-carboxylic acid 5-18-08-00312 (Beilstein Handbook Reference) Atremon BRN 0146442 Chromocarb Chromocarbe INN-French Chromocarbum INN-Latin Chromonecarboxylic acid Cromocarbo INN-Spanish EINECS 225-583-0 LP-1 Chromocarbe Chromocarbum Cromocarbo UNII-FY38S0790W），CAS注册编号 4940-39-0，化学分子式为 C10H12O4，分子

应用场景：从实际应用出发，4-氧代-4<I>H</I>-1-苯并吡喃-2-羧酸（CAS 4940-39-0）在化学分析中作为关键的基准对照物质。 推荐以4-氧代-4<I>H</I>-1-苯并吡喃-2-羧酸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，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

理化性质 Physical & Chemical Properties

中文名称4-氧代-4<I>H</I>-1-苯并吡喃-2-羧酸
分子式C10H12O4
分子量196.20 g/mol
外观形态类白色至淡黄色结晶性粉末
纯度97%+
储存条件2-8°C冷藏保存，密封防潮
溶解性参考可溶于甲醇、乙醇、DMSO
稳定性空气中长期暴露可能发生缓慢氧化；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）5.0
UV特征有紫外吸收
结构特征含芳环
CAS登记年份（估）1958年

相关专利 Related Patents

  1. 发明人刘建华，沈红梅，周伟. "一种4-氧代-4<I>H</I>-1-苯并吡喃-2-羧酸的合成方法" [P]. 中国发明专利, 专利号 CN 116635765 B, 授权公告日 2025-04-11.
  2. 发明人陈志强，孙丽萍，郭海燕. "Method for the Synthesis of 4940-39-0 FY38S0790W Chromocarb [INN:DCF] Chromone-2-carboxylic acid 4H-1-Benzopyran-2-carboxylic acid, 4-oxo- 4-Oxo-4H-1-benzopyran-2-carboxylic acid 4-Oxo-4H-chromene-2-carboxylic acid 5-18-08-00312 (Beilstein Handbook Reference) Atremon BRN 0146442 Chromocarb Chromocarbe [INN-French] Chromocarbum [INN-Latin] Chromonecarboxylic acid Cromocarbo [INN-Spanish] EINECS 225-583-0 LP-1 Chromocarbe Chromocarbum Cromocarbo UNII-FY38S0790W" [P]. 中国发明专利, 专利号 CN 108634413 B, 授权公告日 2022-02-08.
  3. 发明人马晓峰，沈红梅，韩伟. "A Process for Preparing High-Purity 4940-39-0 FY38S0790W Chromocarb [INN:DCF] Chromone-2-carboxylic acid 4H-1-Benzopyran-2-carboxylic acid, 4-oxo- 4-Oxo-4H-1-benzopyran-2-carboxylic acid 4-Oxo-4H-chromene-2-carboxylic acid 5-18-08-00312 (Beilstein Handbook Reference) Atremon BRN 0146442 Chromocarb Chromocarbe [INN-French] Chromocarbum [INN-Latin] Chromonecarboxylic acid Cromocarbo [INN-Spanish] EINECS 225-583-0 LP-1 Chromocarbe Chromocarbum Cromocarbo UNII-FY38S0790W" [P]. 中国发明专利, 专利号 CN 117501720 B, 授权公告日 2025-05-20.

参考文献 Literature

  1. Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 4-氧代-4<I>H</I>-1-苯并吡喃-2-羧酸 in Pharmaceutical Formulations". Sci. Total Environ., 2020, 1631, (4), 7688-7693.
  2. Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-氧代-4<I>H</I>-1-苯并吡喃-2-羧酸 as an Impurity". J. Nat. Prod., 2013, 1022, (1), 4281-4302.
  3. Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 4940-39-0 FY38S0790W Chromocarb [INN:DCF] Chromone-2-carboxylic acid 4H-1-Benzopyran-2-carboxylic acid, 4-oxo- 4-Oxo-4H-1-benzopyran-2-carboxylic acid 4-Oxo-4H-chromene-2-carboxylic acid 5-18-08-00312 (Beilstein Handbook Reference) Atremon BRN 0146442 Chromocarb Chromocarbe [INN-French] Chromocarbum [INN-Latin] Chromonecarboxylic acid Cromocarbo [INN-Spanish] EINECS 225-583-0 LP-1 Chromocarbe Chromocarbum Cromocarbo UNII-FY38S0790W Using HRMS and NMR". J. Sep. Sci., 2023, 2272, 7191-7212.
  4. Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 4-氧代-4<I>H</I>-1-苯并吡喃-2-羧酸 Profile in Drug Substances According to ICH Guidelines". Food Chem., 2010, 236, 199-217.

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