mercaptopurine hydrate 1,7-dihydro-6H-purine-6-thione hydrate 1,7-dihydro-6H-purine-6-thione monohydrate 1,7-dihydro-6H-purine-6-thione--water (1/1) 170.026 170.19350 6-Mercaptopurine hydrate 6-Mercaptopurine monohydrate Beilstein:10466538 C5H4N4S.H2O C5H6N4OS CAS:6112-76-1 CHEBI:31822 DrugBank:DB01033 InChI=1S/C5H4N4S.H2O/c10-5-3-4(7-1-6-3)8-2-9-5;/h1-2H,(H2,6,7,8,9,10);1H2 KEGG:D00161 Mercaptopurine hydrate O.S=c1[nH]cnc2nc[nH]c12 Patent:US2721866 WFFQYWAAEWLHJC-UHFFFAOYSA-N chebi_ontology mercaptopurine monohydrate hydrate