CAS 25212-88-8

NX76LV5T8J T967IEU43C 4GXD0Q3OS3 25212-88-8 Methacrylic acid ethyl acrylate polymer Sipacril 2739OF Methacrylic acid - methyl methacrylate copolymer (1:1 mw 135000) UNII-NX76LV5T8J UNII-T967IEU43C Ethyl 2-propenoate, 2-methyl-2-propenoic acid copolymer Eudragit L 100-155 Eudragit L 100-55 Eudragit L 30D Eudragit L 30D55 GBC 2620AC Methacrylic acid, ethyl acrylate polymer Primal RM 4 Rhoplex RM 4 RM 4 RM 4 (polymer) Rohagit SD 15 Methacrylic acid, polymer with ethyl acrylate 2-Propenoic acid, 2-methyl-, polymer with ethyl 2-propenoate Acrysol RM 4 AK 214-82 Alcogum Alcogum L 11 Alcogum L 15 Alcogum L 21 CCRIS 3051 DR 1071 Ethyl acrylate, methacrylic acid copolymer Ethyl acrylate, methacrylic acid polymer Ethyl acrylate, polymer with methacrylic acid Ethyl acrylate-methacrylic acid polymer Ethyl 2-propenoate, 2-methyl-2-propenoic acid polymer UNII-4GXD0Q3OS3

纯度 97%+现货药物标准品
CAS 号25212-88-8
分子式C5H8O2 C4H6O2
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

NX76LV5T8J T967IEU43C 4GXD0Q3OS3 25212-88-8 Methacrylic acid ethyl acrylate polymer Sipacril 2739OF Methacrylic acid - methyl methacrylate copolymer (1:1 mw 135000) UNII-NX76LV5T8J UNII-T967IEU43C Ethyl 2-propenoate, 2-methyl-2-propenoic acid copolymer Eudragit L 100-155 Eudragit L 100-55 Eudragit L 30D Eudragit L 30D55 GBC 2620AC Methacrylic acid, ethyl acrylate polymer Primal RM 4 Rhoplex RM 4 RM 4 RM 4 (polymer) Rohagit SD 15 Methacrylic acid, polymer with ethyl acrylate 2-Propenoic acid, 2-methyl-, polymer with ethyl 2-propenoate Acrysol RM 4 AK 214-82 Alcogum Alcogum L 11 Alcogum L 15 Alcogum L 21 CCRIS 3051 DR 1071 Ethyl acrylate, methacrylic acid copolymer Ethyl acrylate, methacrylic acid polymer Ethyl acrylate, polymer with methacrylic acid Ethyl acrylate-methacrylic acid polymer Ethyl 2-propenoate, 2-methyl-2-propenoic acid polymer UNII-4GXD0Q3OS3 CAS 25212-88-8 结构式 Chemical Structure

产品介绍 Description

CATO 佳途供应的（NX76LV5T8J T967IEU43C 4GXD0Q3OS3 25212-88-8 Methacrylic acid ethyl acrylate polymer Sipacril 2739OF Methacrylic acid - methyl methacrylate copolymer (1:1 mw 135000) UNII-NX76LV5T8J UNII-T967IEU43C Ethyl 2-propenoate, 2-methyl-2-propenoic acid copolymer Eudragit L 100-155 Eudragit L 100-55 Eudragit L 30D Eudragit L 30D55 GBC 2620AC Methacrylic acid, ethyl acrylate polymer Primal RM 4 Rhoplex RM 4 RM 4 RM 4 (polymer) Rohagit SD 15 Methacrylic acid, polymer with ethyl acrylate 2-Propenoic acid, 2-methyl-, polymer with ethyl 2-propenoate Acrysol RM 4 AK 214-82 Alcogum Alcogum L 11 Alcogum L 15 Alcogum L 21 CCRIS 3051 DR 1071 Ethyl acrylate, methacrylic acid copolymer Ethyl acrylate, methacrylic acid polymer Ethyl acrylate, polymer with methacrylic acid Ethyl acrylate-methacrylic acid polymer Ethyl 2-propenoate, 2-methyl-2-propenoic acid polymer UNII-4GXD0Q3OS3）为药物标准品，CAS 登记号 25212-88-8，分子式 C5H8O2 C4H6O2。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。

依据分子式为 C5H8O2 C4H6O2 的结构特征，其分子内含羧酸类，含羟基，含醚键，这意味着该化合物在紫外光谱中会呈现特征性的吸收带。分子量 186.21 g/mol 这一参数对质谱检测中的分子离子峰识别具有直接参考价值。由于结构中存在共轭发色团，该化合物在200-400 nm区间具有显著的紫外吸收，便于HPLC-UV检测。 化学式为 C5H8O2 C4H6O2 的（NX76LV5T8J T967IEU43C 4GXD0Q3OS3 25212-88-8 Methacrylic acid ethyl acrylate polymer Sipacril 2739OF Methacrylic acid - methyl methacrylate copolymer (1:1 mw 135000) UNII-NX76LV5T8J UNII-T967IEU43C Ethyl 2-propenoate, 2-methyl-2-propenoic acid copolymer Eudragit L 100-155 Eudragit L 100-55 Eudragit L 30D Eudragi

应用场景：针对化学分析用途，（NX76LV5T8J T967IEU43C 4GXD0Q3OS3 25212-88-8 Methacrylic acid ethyl acrylate polymer Sipacril 2739OF Methacrylic acid - methyl methacrylate copolymer (1:1 mw 135000) UNII-NX76LV5T8J UNII-T967IEU43C Ethyl 2-propenoate, 2-methyl-2-propenoic acid copolymer Eudragit L 100-155 Eudragit L 100-55

理化性质 Physical & Chemical Properties

中文名称
分子式C5H8O2 C4H6O2
分子量186.21 g/mol
外观形态白色至类白色结晶性粉末
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）3.0
UV特征有紫外吸收
CAS登记年份（估）1964年

相关专利 Related Patents

  1. 发明人林芳，何建平，黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109512363 A, 授权公告日 2020-11-26.
  2. Martínez F, Kowalski A, Björnsson E. "Method for the Synthesis of NX76LV5T8J T967IEU43C 4GXD0Q3OS3 25212-88-8 Methacrylic acid ethyl acrylate polymer Sipacril 2739OF Methacrylic acid - methyl methacrylate copolymer (1:1 mw 135000) UNII-NX76LV5T8J UNII-T967IEU43C Ethyl 2-propenoate, 2-methyl-2-propenoic acid copolymer Eudragit L 100-155 Eudragit L 100-55 Eudragit L 30D Eudragit L 30D55 GBC 2620AC Methacrylic acid, ethyl acrylate polymer Primal RM 4 Rhoplex RM 4 RM 4 RM 4 (polymer) Rohagit SD 15 Methacrylic acid, polymer with ethyl acrylate 2-Propenoic acid, 2-methyl-, polymer with ethyl 2-propenoate Acrysol RM 4 AK 214-82 Alcogum Alcogum L 11 Alcogum L 15 Alcogum L 21 CCRIS 3051 DR 1071 Ethyl acrylate, methacrylic acid copolymer Ethyl acrylate, methacrylic acid polymer Ethyl acrylate, polymer with methacrylic acid Ethyl acrylate-methacrylic acid polymer Ethyl 2-propenoate, 2-methyl-2-propenoic acid polymer UNII-4GXD0Q3OS3" [P]. European Patent, EP 3818256 A1, 2022-05-15.
  3. 发明人孙丽萍，杨光，李文辉. "A Process for Preparing High-Purity NX76LV5T8J T967IEU43C 4GXD0Q3OS3 25212-88-8 Methacrylic acid ethyl acrylate polymer Sipacril 2739OF Methacrylic acid - methyl methacrylate copolymer (1:1 mw 135000) UNII-NX76LV5T8J UNII-T967IEU43C Ethyl 2-propenoate, 2-methyl-2-propenoic acid copolymer Eudragit L 100-155 Eudragit L 100-55 Eudragit L 30D Eudragit L 30D55 GBC 2620AC Methacrylic acid, ethyl acrylate polymer Primal RM 4 Rhoplex RM 4 RM 4 RM 4 (polymer) Rohagit SD 15 Methacrylic acid, polymer with ethyl acrylate 2-Propenoic acid, 2-methyl-, polymer with ethyl 2-propenoate Acrysol RM 4 AK 214-82 Alcogum Alcogum L 11 Alcogum L 15 Alcogum L 21 CCRIS 3051 DR 1071 Ethyl acrylate, methacrylic acid copolymer Ethyl acrylate, methacrylic acid polymer Ethyl acrylate, polymer with methacrylic acid Ethyl acrylate-methacrylic acid polymer Ethyl 2-propenoate, 2-methyl-2-propenoic acid polymer UNII-4GXD0Q3OS3" [P]. 中国发明专利, 专利号 CN 108967877 B, 授权公告日 2018-04-02.

参考文献 Literature

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  2. Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2012, 1273, (12), 2050-2064.
  3. Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of NX76LV5T8J T967IEU43C 4GXD0Q3OS3 25212-88-8 Methacrylic acid ethyl acrylate polymer Sipacril 2739OF Methacrylic acid - methyl methacrylate copolymer (1:1 mw 135000) UNII-NX76LV5T8J UNII-T967IEU43C Ethyl 2-propenoate, 2-methyl-2-propenoic acid copolymer Eudragit L 100-155 Eudragit L 100-55 Eudragit L 30D Eudragit L 30D55 GBC 2620AC Methacrylic acid, ethyl acrylate polymer Primal RM 4 Rhoplex RM 4 RM 4 RM 4 (polymer) Rohagit SD 15 Methacrylic acid, polymer with ethyl acrylate 2-Propenoic acid, 2-methyl-, polymer with ethyl 2-propenoate Acrysol RM 4 AK 214-82 Alcogum Alcogum L 11 Alcogum L 15 Alcogum L 21 CCRIS 3051 DR 1071 Ethyl acrylate, methacrylic acid copolymer Ethyl acrylate, methacrylic acid polymer Ethyl acrylate, polymer with methacrylic acid Ethyl acrylate-methacrylic acid polymer Ethyl 2-propenoate, 2-methyl-2-propenoic acid polymer UNII-4GXD0Q3OS3 Using HRMS and NMR". Chromatographia, 2019, 1351, (2), 6820-6829.

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