Name: Epalrestat
Molecular formula C15H13NO3S2
Molecular weight 319.41
CAS NO.: 82159-09-9
Appearance: salmon pink crystalline powder
density: 1.43g/cm3  
bp: 516.8°C at 760 mmHg  
fp: 266.4°C  
Use: It is mainly used for the treatment of diabetes.