336600 <common-name>2-[4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-6-ethyl-7,8-dihydropyrido[4,3-d]pyrimidin-5-one</common-name> <description>2-[4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-6-ethyl-7,8-dihydropyrido[4,3-d]pyrimidin-5-one is a chemical compound with the formula C23H28N8O3. It has an average molecular weight of 464.50 g/mol.</description> <cas nil="true"/> <pubchem-id>3064551</pubchem-id> <chemical-formula>C23H28N8O3</chemical-formula> <weight>464.5</weight> <appearance nil="true"/> <melting-point nil="true"/> <boiling-point nil="true"/> <density nil="true"/> <solubility nil="true"/> <specific-gravity nil="true"/> <flash-point nil="true"/> <vapour-pressure nil="true"/> <route-of-exposure nil="true"/> <target nil="true"/> <mechanism-of-toxicity nil="true"/> <metabolism nil="true"/> <toxicity nil="true"/> <lethaldose nil="true"/> <carcinogenicity nil="true"/> <use-source nil="true"/> <min-risk-level nil="true"/> <health-effects nil="true"/> <symptoms nil="true"/> <treatment nil="true"/> <created-at type="dateTime">2026-08-30T19:07:35Z</created-at> <updated-at type="dateTime">2026-08-30T19:07:35Z</updated-at> <interacting-proteins nil="true"/> <wikipedia nil="true"/> <uniprot-id nil="true"/> <kegg-compound-id nil="true"/> <omim-id nil="true"/> <chebi-id nil="true"/> <biocyc-id nil="true"/> <ctd-id nil="true"/> <stitch-id nil="true"/> <drugbank-id nil="true"/> <pdb-id nil="true"/> <actor-id nil="true"/> <organism nil="true"/> <export type="boolean">true</export> <metabolizing-proteins nil="true"/> <transporting-proteins nil="true"/> <moldb-smiles>CCN1CCC2=NC(=NC=C2C1=O)N3CCN(CC3)C4=NC5=CC(=C(C=C5C(=N4)N)OC)OC</moldb-smiles> <moldb-formula>C23H28N8O3</moldb-formula> <moldb-inchi>InChI=1S/C23H28N8O3/c1-4-29-6-5-16-15(21(29)32)13-25-22(26-16)30-7-9-31(10-8-30)23-27-17-12-19(34-3)18(33-2)11-14(17)20(24)28-23/h11-13H,4-10H2,1-3H3,(H2,24,27,28)</moldb-inchi> <moldb-inchikey>PIYWZNNQEFMDCT-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal" nil="true"/> <moldb-mono-mass type="decimal">464.2284368</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>1.7</logp> <hmdb-id nil="true"/> <chembl-id nil="true"/> <chemspider-id nil="true"/> <structure-image-file-name nil="true"/> <structure-image-content-type nil="true"/> <structure-image-file-size type="integer" nil="true"/> <structure-image-updated-at type="dateTime" nil="true"/> <biodb-id nil="true"/> <synthesis-reference nil="true"/> <structure-image-caption nil="true"/> <chemdb-id>CHEM332493</chemdb-id> <dsstox-id nil="true"/> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id nil="true"/> <iupac>2-[4-(4-amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]-6-ethyl-7,8-dihydropyrido[4,3-d]pyrimidin-5-one</iupac> <moldb-polar-surface-area nil="true"/> <moldb-refractivity nil="true"/> <moldb-polarizability nil="true"/> <moldb-rotatable-bond-count nil="true"/> <moldb-acceptor-count nil="true"/> <moldb-donor-count nil="true"/> <moldb-pka-strongest-acidic nil="true"/> <moldb-pka-strongest-basic nil="true"/> <moldb-physiological-charge nil="true"/> <moldb-number-of-rings nil="true"/> <moldb-alogps-logp nil="true"/> <moldb-alogps-logs nil="true"/> <moldb-alogps-solubility nil="true"/> <kingdom>Organic compounds</kingdom> <superklass>Organoheterocyclic compounds</superklass> <klass>Diazinanes</klass> <subklass>Piperazines</subklass> <paper-count type="integer" nil="true"/> <sync-id>CED0287061</sync-id> <structure-inchikey>PIYWZNNQEFMDCT-UHFFFAOYSA-N</structure-inchikey> <structure-fingerprint>200000000000a00000000000000000000000000000000000000000400000000102000420000100008000002000000100000000000000000000000000000000000000000000000000000000000020000000000100000800000100000000080000000000000040000000110000000000020100000000000040000000000000400040000000404020000000000000001000000000000000080400840000000020000000000000040000080000000000000000085000008004000800000180000000000000000000000000008000080400000000000000200000000000000000000000000001004040000000001000000008000020000000000000000040</structure-fingerprint> 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