应用场景:Variamine Blue RT Salt(4-Aminodiphenylamine diazonium sulfate 4-Diazodiphenylamine sulfate 4477-28-5 Azoic Diazo Component 22 Azoic Diazo No. 22 MFCD00011895 Variamine Blue RT salt)作为药物标准品,在化学分析分析领域承担着重要的角色。 推荐以Variamine Blue RT Salt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/乙腈(1:1)为溶剂配制储备溶液,根据检测灵敏度需求逐级稀释。
理化性质 Physical & Chemical Properties
中文名称
Variamine Blue RT Salt
分子式
C12H22N3 HO4S
分子量
305.39 g/mol
外观形态
白色至淡黄色结晶性粉末。(含硫化合物特征性气味)
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)
3.0
UV特征
有紫外吸收
CAS登记年份(估)
1958年
含氮原子数
3
含硫原子数
1
相关专利 Related Patents
Martínez F, Jørgensen K, Björnsson E. "一种Variamine Blue RT Salt的合成方法" [P]. European Patent, EP 3298193 A1, 2017-10-15.
Hughes D C, Yamamoto T, Anderson J P. "Method for the Synthesis of 4-Aminodiphenylamine diazonium sulfate
4-Diazodiphenylamine sulfate
4477-28-5
Azoic Diazo Component 22
Azoic Diazo No. 22
MFCD00011895
Variamine Blue RT salt" [P]. US Patent, US 11357982 B2, 2022-02-23.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of Variamine Blue RT Salt in Pharmaceutical Formulations". Molecules, 2025, 735, 3375-3399.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of Variamine Blue RT Salt as an Impurity". Sci. Total Environ., 2018, 2442, (10), 6494-6506.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-Aminodiphenylamine diazonium sulfate
4-Diazodiphenylamine sulfate
4477-28-5
Azoic Diazo Component 22
Azoic Diazo No. 22
MFCD00011895
Variamine Blue RT salt Using HRMS and NMR". Environ. Sci. Technol., 2015, 1373, (3), 2176-2205.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Variamine Blue RT Salt Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2018, 1862, 4311-4326.