312158 <common-name>3,9-dimethyl-1-pyridin-4-yl-1,2,3,4-tetrahydropyrido[3,4-b]indole</common-name> <description>3,9-dimethyl-1-pyridin-4-yl-1,2,3,4-tetrahydropyrido[3,4-b]indole is a chemical compound with the formula C18H19N3. It has an average molecular weight of 277.40 g/mol.</description> <cas nil="true"/> <pubchem-id>218501</pubchem-id> <chemical-formula>C18H19N3</chemical-formula> <weight>277.4</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">2026-08-29T08:29:21Z</created-at> <updated-at type="dateTime">2026-08-29T08:29:21Z</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>CC1CC2=C(C(N1)C3=CC=NC=C3)N(C4=CC=CC=C24)C</moldb-smiles> <moldb-formula>C18H19N3</moldb-formula> <moldb-inchi>InChI=1S/C18H19N3/c1-12-11-15-14-5-3-4-6-16(14)21(2)18(15)17(20-12)13-7-9-19-10-8-13/h3-10,12,17,20H,11H2,1-2H3</moldb-inchi> <moldb-inchikey>QFGILLIYWKUDPY-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal" nil="true"/> <moldb-mono-mass type="decimal">277.1578976</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>2.5</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>CHEM308051</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>3,9-dimethyl-1-pyridin-4-yl-1,2,3,4-tetrahydropyrido[3,4-b]indole</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>Alkaloids and derivatives</superklass> <klass>Harmala alkaloids</klass> <subklass nil="true"/> <paper-count type="integer" nil="true"/> <sync-id>CED0263098</sync-id> <structure-inchikey>QFGILLIYWKUDPY-UHFFFAOYSA-N</structure-inchikey> <structure-fingerprint>100004000000000000000000000000000000000000000000020100000000000000008000000000000000c0002100000000000000000000000000000000000000008000080000000000020008000400000000800000000000000000000000000000000000000040000000400000000000020100000000000000000000100000000040000000800000200000004000000800000100800000000000000001040000040000000000040000080000000000000000000000000000000000000000000000040000001000000000000000000000000000000200000200000000000000000000080000002040000000000000000000000000000000000000000000</structure-fingerprint> <structure-pattern-fingerprint>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</structure-pattern-fingerprint> <structure-pickle type="binary" encoding="base64">776t3gAAAAAQAAAAAwAAAAAAAAAVAAAAGAAAAIABBgBgAAAAAQMGAGAAAAAD AQYAYAAAAAICBkAoAAAAAwQGQCgAAAADBAYAYAAAAAMBBwBgAAAAAgEGQCgA AAADBAZAaAAAAAMDAQZAaAAAAAMDAQdAKAAAAAMDBkBoAAAAAwMBBkBoAAAA AwMBB0AoAAAAAwMGQCgAAAADBAZAaAAAAAMDAQZAaAAAAAMDAQZAaAAAAAMD AQZAaAAAAAMDAQZAKAAAAAMEBgBgAAAAAQMLAAEAAQIAAgMAAwRoDAQFAAUG AAUHAAcIaAwICWgMCQpoDAoLaAwLDGgMBA1oDA0OaAwOD2gMDxBoDBARaAwR EmgMEhNoDA0UAAYBABMDaAwMB2gMEw5oDEIEAAAABgEGBQQDAgYICQoLDAcF DQQDEw4GDxAREhMOFwQAAAAAAAAAFg== </structure-pickle> <structure-indexed-at type="dateTime">2026-09-19T05:19:10Z</structure-indexed-at> </compound>