has role has role has parent hydride is tautomer of 7H-purine purine-6-thiol 7H-purine-6-thiol CAS:50-44-2 A thiol that is the tautomer of mercaptopurine. 1,7-Dihydro-6H-purine-6-thione C5H4N4S GLVAUDGFNGKCSF-UHFFFAOYSA-N KEGG:C02380 0 PMID:24670805 152.17822 6-MP 3H-Purine-6-thiol 152.01567 PMID:24651962 DrugBank:DB01033 PDBeChem:PM6 Sc1ncnc2nc[nH]c12 KEGG:C01756 6-Thiohypoxanthine Reaxys:608595 PMID:24774509 InChI=1S/C5H4N4S/c10-5-3-4(7-1-6-3)8-2-9-5/h1-2H,(H2,6,7,8,9,10) chebi_ontology CHEBI:2208 PMID:24211998 antimetabolite antineoplastic agent mercaptopurine aryl thiol