hypoxanthine 1,7-dihydro-6H-purin-6-one 136.039 136.11162 6(1H)-purinone 6-oxopurine 9H-purin-6(1H)-one A purine nucleobase that consists of purine bearing an oxo substituent at position 6. Beilstein:5811 C5H4N4O CAS:68-94-0 CHEBI:14431 CHEBI:17368 CHEBI:24762 CHEBI:43237 CHEBI:5841 DrugBank:DB04076 ECMDB:ECMDB00157 FDGQSTZJBFJUBT-UHFFFAOYSA-N Gmelin:464558 HMDB:HMDB0000157 HYPOXANTHINE Hyp Hypoxanthine InChI=1S/C5H4N4O/c10-5-3-4(7-1-6-3)8-2-9-5/h1-2H,(H2,6,7,8,9,10) KEGG:C00262 KNApSAcK:C00001502 MetaCyc:HYPOXANTHINE O=c1[nH]cnc2nc[nH]c12 PDBeChem:HPA PMID:14253484 PMID:22735334 PMID:23400363 PMID:23670363 Purine-6-ol Reaxys:5811 Wikipedia:Hypoxanthine YMDB:YMDB00555 chebi_ontology hypoxanthine purin-6(1H)-one oxopurine purine nucleobase nucleobase analogue