应用场景:针对化学分析用途,(Octadecanoic acid, 12-hydroxy-, polymer with methyl 2-methyl-2-propenoate, 2-methyl-2-propenoic acid and 2-oxiranylmethyl 2-methyl-2-propenoate)是具有明确定量溯源的认证级对照品。 推荐以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,于室温保存,密封防潮条件下
理化性质 Physical & Chemical Properties
中文名称
分子式
C18H36O3 C7H10O3 C5H8O2 C4H6O2
分子量
628.84 g/mol
外观形态
类白色至淡黄色无定形粉末
纯度
97%+
储存条件
室温保存,密封防潮
溶解性参考
可溶于甲醇、乙腈、DMSO、水(微溶)
稳定性
空气中长期暴露可能发生缓慢氧化
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)
1964年
相关专利 Related Patents
Fischer A B, Davis P L, Thompson G K. "一种的合成方法" [P]. US Patent, US 11934720 B2, 2025-10-21.
发明人杨光,郑宇鹏,王建平. "Method for the Synthesis of Octadecanoic acid, 12-hydroxy-, polymer with methyl 2-methyl-2-propenoate, 2-methyl-2-propenoic acid and 2-oxiranylmethyl 2-methyl-2-propenoate" [P]. 中国发明专利, 专利号 CN 108765180 A, 授权公告日 2020-08-15.
参考文献 Literature
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Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2011, 1246, (5), 643-673.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Octadecanoic acid, 12-hydroxy-, polymer with methyl 2-methyl-2-propenoate, 2-methyl-2-propenoic acid and 2-oxiranylmethyl 2-methyl-2-propenoate Using HRMS and NMR". Anal. Chem., 2024, 1181, (2), 8102-8130.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2018, 910, 1867-1877.