has role hydroxylamines metabolite oxopurine purine N-oxides hypoxanthine 3-N-oxide 152.033 152.111 3-hydroxy-3,9-dihydro-6H-purin-6-one 3-hydroxyhypoxanthine An oxopurine that is 3,9-dihydro-6H-purine which is substituted by an oxo group at position 6 and in which the hydrogen attached to the nitrogen at position 3 is replaced by a hydroxy group. It is a major component of Schreckstoff, an alarm pheromone found in fish. C5H4N4O2 CAS:19765-65-2 CHEBI:72574 InChI=1S/C5H4N4O2/c10-5-3-4(7-1-6-3)9(11)2-8-5/h1-2,11H,(H,6,7) N1C2=C(N=C1)C(N=CN2O)=O PMID:19583985 PMID:22365850 RVVZOZMPKROZAR-UHFFFAOYSA-N Reaxys:4992039 chebi_ontology hypoxanthine 3-N-oxide hypoxanthine 3-oxide