312926 <common-name>3-methyl-1-(4-piperidin-1-ylbut-2-ynyl)quinazoline-2,4-dione</common-name> <description>3-methyl-1-(4-piperidin-1-ylbut-2-ynyl)quinazoline-2,4-dione is a compound with the formula C18H21N3O2. It has an average molecular weight of 311.40 g/mol.</description> <cas nil="true"/> <pubchem-id>205230</pubchem-id> <chemical-formula>C18H21N3O2</chemical-formula> <weight>311.4</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">2026-08-29T09:38:48Z</created-at> <updated-at type="dateTime">2026-08-29T09:38:48Z</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>CN1C(=O)C2=CC=CC=C2N(C1=O)CC#CCN3CCCCC3</moldb-smiles> <moldb-formula>C18H21N3O2</moldb-formula> <moldb-inchi>InChI=1S/C18H21N3O2/c1-19-17(22)15-9-3-4-10-16(15)21(18(19)23)14-8-7-13-20-11-5-2-6-12-20/h3-4,9-10H,2,5-6,11-14H2,1H3</moldb-inchi> <moldb-inchikey>CWUFFFASPXEVKC-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal" nil="true"/> <moldb-mono-mass type="decimal">311.1633769</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>1.8</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>CHEM308819</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>3-methyl-1-(4-piperidin-1-ylbut-2-ynyl)quinazoline-2,4-dione</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>Diazanaphthalenes</klass> <subklass>Benzodiazines</subklass> <paper-count type="integer" nil="true"/> <sync-id>CED0263849</sync-id> <structure-inchikey>CWUFFFASPXEVKC-UHFFFAOYSA-N</structure-inchikey> <structure-fingerprint>20000000000400000000800000000000000001000000000000000000000000000000000000000020000000000000000000000000000000000000000000000080000000000000080000000000000000000020000020000000000000000000000010000000200000000000000000000000000000020100000000000000000000000800000040000200800000000001024000000000000101020000010000200000040000000000000000040000080000000002000010000000008000000000000000000000040000000000000000000000000000000000000000000201000000010000000000000800000040000000000000000000000000000002000000000000</structure-fingerprint> <structure-pattern-fingerprint>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</structure-pattern-fingerprint> <structure-pickle type="binary" encoding="base64">776t3gAAAAAQAAAAAwAAAAAAAAAXAAAAGQAAAIABBgBgAAAAAQMHQCgAAAAD AwZAKAAAAAMECAAoAAAAAwIGQCgAAAADBAZAaAAAAAMDAQZAaAAAAAMDAQZA aAAAAAMDAQZAaAAAAAMDAQZAKAAAAAMEB0AoAAAAAwMGQCgAAAADBAgAKAAA AAMCBgBgAAAAAgIGACgAAAACBAYAKAAAAAIEBgBgAAAAAgIHACAAAAADBgBg AAAAAgIGAGAAAAACAgYAYAAAAAICBgBgAAAAAgIGAGAAAAACAgsAAQABAmgM AgMoAgIEaAwEBWgMBQZoDAYHaAwHCGgMCAloDAkKaAwKC2gMCwwoAgoNAA0O AA4PCAMPEAAQEQAREgASEwATFAAUFQAVFgALAWgMCQRoDBYRAEIDAAAABgEL CgkEAgYFBgcICQQGEhMUFRYRFwQAAAAAAAAAFg== </structure-pickle> <structure-indexed-at type="dateTime">2026-09-19T05:19:47Z</structure-indexed-at> </compound>