adenine 135.054 135.12690 6-Aminopurine 9H-purin-6-amine A ADENINE Ade Adenin Adenine Beilstein:608603 C5H5N5 CAS:73-24-5 CHEBI:13733 CHEBI:16708 CHEBI:22236 CHEBI:2470 CHEBI:40579 DrugBank:DB00173 Drug_Central:89 GFFGJBXGBJISGV-UHFFFAOYSA-N Gmelin:3903 HMDB:HMDB0000034 InChI=1S/C5H5N5/c6-4-3-5(9-1-7-3)10-2-8-4/h1-2H,(H3,6,7,8,9,10) KEGG:C00147 KEGG:D00034 KNApSAcK:C00001490 MetaCyc:ADENINE Nc1ncnc2[nH]cnc12 PDBeChem:ADE PMID:17439666 PMID:8070089 Reaxys:608603 The parent compound of the 6-aminopurines, composed of a purine having an amino group at C-6. Wikipedia:Adenine adenine chebi_ontology 6-aminopurines purine nucleobase