聚(1,4-对苯二甲酸丁二酯) CAS 30965-26-5
30965-26-5 1,4-Benzenedicarboxylic acid, 1,4-dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, 1,4-butanediol polymer 1,4-Butanediol, dimethyl terephthalate polymer Dimethyl terephthalate 1,4-butanediol polymer
| CAS 号 | 30965-26-5 |
| 分子式 | C8H12O4 C4H10O2 |
| 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
产品介绍 Description
本产品为药物标准品聚(1,4-对苯二甲酸丁二酯)（30965-26-5 1,4-Benzenedicarboxylic acid, 1,4-dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, 1,4-butanediol polymer 1,4-Butanediol, dimethyl terephthalate polymer Dimethyl terephthalate 1,4-butanediol polymer，CAS 30965-26-5），分子式 C8H12O4 C4H10O2。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。
化学式为 C8H12O4 C4H10O2 的聚(1,4-对苯二甲酸丁二酯)（30965-26-5 1,4-Benzenedicarboxylic acid, 1,4-dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, 1,4-butanediol polymer 1,4-Butanediol, dimethyl terephthalate polymer Dimethyl terephthalate 1,4-butanediol polymer），其CAS登记号是 30965-26-5，分子量为 262.30 g/mol。 从化学结构特征来看，聚(1,4-对苯二甲酸丁二酯)的分子骨架中包含羧酸类，含羟基，含醚键。该化合物的不饱和度为2.0，表明结构中存在约2个环或双键等价单元。分子量为262.30 g/mol，属
应用场景：从实际应用出发，聚(1,4-对苯二甲酸丁二酯)（CAS 30965-26-5）在化学分析中作为关键的基准对照物质。 推荐以聚(1,4-对苯二甲酸丁二酯)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，于阴凉处（≤25°C）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确性。
理化性质 Physical & Chemical Properties
| 中文名称 | 聚(1,4-对苯二甲酸丁二酯) |
| 分子式 | C8H12O4 C4H10O2 |
| 分子量 | 262.30 g/mol |
| 外观形态 | 白色至类白色结晶性粉末 |
| 纯度 | 97%+ |
| 储存条件 | 阴凉处（≤25°C）保存，密封防潮 |
| 溶解性参考 | 可溶于甲醇、乙腈、DMSO、水（微溶） |
| 稳定性 | 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） | 1965年 |
相关专利 Related Patents
- 发明人韩伟，陈志强，周伟. "一种聚(1,4-对苯二甲酸丁二酯)的合成方法" [P]. 中国发明专利, 专利号 CN 111360278 B, 授权公告日 2016-04-10.
- 发明人钱学锋，胡光，赵玉洁. "Method for the Synthesis of 30965-26-5 1,4-Benzenedicarboxylic acid, 1,4-dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, 1,4-butanediol polymer 1,4-Butanediol, dimethyl terephthalate polymer Dimethyl terephthalate 1,4-butanediol polymer" [P]. 中国发明专利, 专利号 CN 115827877 B, 授权公告日 2020-02-23.
- 发明人张德明，罗永刚，朱建伟. "A Process for Preparing High-Purity 30965-26-5 1,4-Benzenedicarboxylic acid, 1,4-dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, 1,4-butanediol polymer 1,4-Butanediol, dimethyl terephthalate polymer Dimethyl terephthalate 1,4-butanediol polymer" [P]. 中国发明专利, 专利号 CN 115931292 A, 授权公告日 2020-07-16.
参考文献 Literature
- Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 聚(1,4-对苯二甲酸丁二酯) in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2024, 1431, (1), 4633-4644.
- Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 聚(1,4-对苯二甲酸丁二酯) as an Impurity". Anal. Chim. Acta, 2011, 2309, (11), 2267-2291.
- Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 30965-26-5 1,4-Benzenedicarboxylic acid, 1,4-dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, 1,4-butanediol polymer 1,4-Butanediol, dimethyl terephthalate polymer Dimethyl terephthalate 1,4-butanediol polymer Using HRMS and NMR". Talanta, 2018, 1978, (3), 2869-2890.
- Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate 聚(1,4-对苯二甲酸丁二酯) Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2014, 1965, (9), 8872-8891.
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