聚甲基丙烯酸乙酯 CAS 9003-42-3

9003-42-3 CHEBI:53221 Ethyl 2-methyl-2-propenoate homopolymer PEM PEMA Poly(ethylmethacrylate) poly(ethyl 2-methylpropenoate) poly(ethyl methacrylate) poly(ethyl methacrylate) macromolecule poly(ethyl-methacrylate) poly[1-(ethoxycarbonyl)-1-methylethylene] polyethyl methacrylate polyethyl-methacrylate polyethylmethacrylate

纯度 97%+现货药物标准品
CAS 号9003-42-3
分子式C6H10O2
分子量114.14 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

聚甲基丙烯酸乙酯 9003-42-3
CHEBI:53221
Ethyl 2-methyl-2-propenoate homopolymer
PEM
PEMA
Poly(ethylmethacrylate)
poly(ethyl 2-methylpropenoate)
poly(ethyl methacrylate)
poly(ethyl methacrylate) macromolecule
poly(ethyl-methacrylate)
poly[1-(ethoxycarbonyl)-1-methylethylene]
polyethyl methacrylate
polyethyl-methacrylate
polyethylmethacrylate CAS 9003-42-3 结构式 Chemical Structure

产品介绍 Description

CATO 佳途供应的聚甲基丙烯酸乙酯(9003-42-3 CHEBI:53221 Ethyl 2-methyl-2-propenoate homopolymer PEM PEMA Poly(ethylmethacrylate) poly(ethyl 2-methylpropenoate) poly(ethyl methacrylate) poly(ethyl methacrylate) macromolecule poly(ethyl-methacrylate) poly[1-(ethoxycarbonyl)-1-methylethylene] polyethyl methacrylate polyethyl-methacrylate polyethylmethacrylate)为药物标准品,CAS 登记号 9003-42-3,分子式 C6H10O2,分子量 114.14。纯度 97%+。产品现货库存充足,可提供定制化规格与批次追踪服务。

与同类药物标准品相比,聚甲基丙烯酸乙酯的分子量为114.14 g/mol这一特征使其在色谱分离条件和质谱检测参数设置上具有独特性。 CAS编号 9003-42-3 对应的化合物聚甲基丙烯酸乙酯(英文标识 9003-42-3 CHEBI:53221 Ethyl 2-methyl-2-propenoate homopolymer PEM PEMA Poly(ethylmethacrylate) poly(ethyl 2-methylpropenoate) poly(ethyl methacrylate) poly(ethyl methacrylate) macromolecule poly(ethyl-methacrylate) poly1-(ethoxycarbonyl)-1-methylethylene polyethyl methacrylate polyethyl-methacrylate polyethylmethacrylate),化学式 C6H10O2,相对分子质量 114.14。 从化学结构特征来看,聚甲基丙烯酸乙酯的分子骨架中包含羧酸类,含羟基,含醚键。该化合物的

应用场景:从实际应用出发,聚甲基丙烯酸乙酯(CAS 9003-42-3)在化学分析中作为关键的基准对照物质。 推荐以聚甲基丙烯酸乙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2-8°C冷藏保存条件下储存; - 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

中文名称聚甲基丙烯酸乙酯
分子式C6H10O2
分子量114.14 g/mol
外观形态白色至类白色液体
纯度97%+
储存条件2-8°C冷藏保存
溶解性参考可溶于甲醇、乙腈、DMSO、水(微溶)
稳定性在推荐条件下性质稳定
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)1959年

相关专利 Related Patents

  1. 发明人孙丽萍,韩伟,冯建国. "一种聚甲基丙烯酸乙酯的合成方法" [P]. 中国发明专利, 专利号 CN 111968144 A, 授权公告日 2019-10-21.
  2. 发明人杨光,冯建国,郑宇鹏. "Method for the Synthesis of 9003-42-3 CHEBI:53221 Ethyl 2-methyl-2-propenoate homopolymer PEM PEMA Poly(ethylmethacrylate) poly(ethyl 2-methylpropenoate) poly(ethyl methacrylate) poly(ethyl methacrylate) macromolecule poly(ethyl-methacrylate) poly[1-(ethoxycarbonyl)-1-methylethylene] polyethyl methacrylate polyethyl-methacrylate polyethylmethacrylate" [P]. 中国发明专利, 专利号 CN 110669564 A, 授权公告日 2023-08-15.
  3. 发明人唐晓军,冯建国,钱学锋. "A Process for Preparing High-Purity 9003-42-3 CHEBI:53221 Ethyl 2-methyl-2-propenoate homopolymer PEM PEMA Poly(ethylmethacrylate) poly(ethyl 2-methylpropenoate) poly(ethyl methacrylate) poly(ethyl methacrylate) macromolecule poly(ethyl-methacrylate) poly[1-(ethoxycarbonyl)-1-methylethylene] polyethyl methacrylate polyethyl-methacrylate polyethylmethacrylate" [P]. 中国发明专利, 专利号 CN 113776493 A, 授权公告日 2024-12-19.

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 聚甲基丙烯酸乙酯 in Pharmaceutical Formulations". Talanta, 2022, 2062, 9974-10000.
  2. Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 聚甲基丙烯酸乙酯 as an Impurity". J. Nat. Prod., 2025, 1836, (5), 3343-3355.
  3. Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 9003-42-3 CHEBI:53221 Ethyl 2-methyl-2-propenoate homopolymer PEM PEMA Poly(ethylmethacrylate) poly(ethyl 2-methylpropenoate) poly(ethyl methacrylate) poly(ethyl methacrylate) macromolecule poly(ethyl-methacrylate) poly[1-(ethoxycarbonyl)-1-methylethylene] polyethyl methacrylate polyethyl-methacrylate polyethylmethacrylate Using HRMS and NMR". Biomed. Chromatogr., 2018, 1273, (9), 6284-6307.
  4. Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 聚甲基丙烯酸乙酯 Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2010, 2420, (8), 8561-8576.

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