4-(N-[2,4-Diamino-6-pteridinylmethyl]amino)benzoic acid sodium salt
分子式
C14H28N7O2 Na
分子量
349.41 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,避光,密封防潮
溶解性参考
可溶于DMSO、DMF、甲醇
稳定性
空气中长期暴露可能发生缓慢氧化;对光敏感,应避免强光直射;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)
4.5
UV特征
有紫外吸收
结构特征
含芳环
CAS登记年份(估)
1985年
含氮原子数
7
相关专利 Related Patents
Lefèvre J P, Kowalski A, Schröder R. "一种4-(N-[2,4-Diamino-6-pteridinylmethyl]amino)benzoic acid sodium salt的合成方法" [P]. European Patent, EP 3538102 A1, 2020-12-22.
发明人孙丽萍,王建平,钱学锋. "Method for the Synthesis of 4-(N-[2,4-Diamino-6-pteridinylmethyl]amino)benzoic acid sodium salt" [P]. 中国发明专利, 专利号 CN 110471521 B, 授权公告日 2020-12-23.
发明人何建平,韩伟,林芳. "A Process for Preparing High-Purity 4-(N-[2,4-Diamino-6-pteridinylmethyl]amino)benzoic acid sodium salt" [P]. 中国发明专利, 专利号 CN 116542357 A, 授权公告日 2024-07-10.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 4-(N-[2,4-Diamino-6-pteridinylmethyl]amino)benzoic acid sodium salt in Pharmaceutical Formulations". Anal. Chem., 2016, 266, (5), 3140-3168.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(N-[2,4-Diamino-6-pteridinylmethyl]amino)benzoic acid sodium salt as an Impurity". J. Agric. Food Chem., 2023, 1027, 6775-6789.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4-(N-[2,4-Diamino-6-pteridinylmethyl]amino)benzoic acid sodium salt Using HRMS and NMR". Anal. Methods, 2018, 455, (1), 9975-9982.