CAS: 446-86-6 Molecular Formula: C9 H7 N7 O2 S Molecular Weight (g/mol): 277.26 Synonym: Azathioprine,6-[(1-Methyl-4-nitro-1H-imidazol-5-yl)sulfanyl]-7H-purine,9H-Purine, 6-[(1-methyl-4-nitro-1H-imidazol-5-yl)thio]-,1H-Purine, 6-[(1-methyl-4-nitro-1H-imidazol-5-yl)thio]-,Purine, 6-[(1-methyl-4-nitroimidazol-5-yl)thio]-,6-(1-Methyl-4-nitroimidazol-5-yl)thiopurine,6-(1-Methyl-4-nitromidazol-5-ylthio)purine,Azamune,Azanin,Azathioprin,Azathioprine,Azathropine,Azoran,Azothioprine,BW 57-322,Imuran,Imurek,Imurel,Muran,NSC 39084 IUPAC Name: 6-(3-methyl-5-nitroimidazol-4-yl)sulfanyl-7H-purine SMILES: Cn1cnc(c1Sc2ncnc3nc[nH]c23)[N+](=O)[O-]