73743 <common-name>2H-Pyrido(2,3-e)-1,3-oxazine-2,4(3H)-dione</common-name> <description>2H-Pyrido(2,3-e)-1,3-oxazine-2,4(3H)-dione belongs to the pyridines and derivatives, a class of organoheterocyclic compounds within the organic compounds. This compound has the chemical formula C7H4N2O3 and an average molecular weight of 164.12 g/mol.</description> <cas>3971-76-4</cas> <pubchem-id>77593</pubchem-id> <chemical-formula>C7H4N2O3</chemical-formula> <weight nil="true"/> <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">2026-04-04T00:21:30Z</created-at> <updated-at type="dateTime">2026-04-04T00:21:30Z</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>O=C1NC(=O)C2=C(O1)C=CC=N2</moldb-smiles> <moldb-formula>C7H4N2O3</moldb-formula> <moldb-inchi>InChI=1S/C7H4N2O3/c10-6-5-4(2-1-3-8-5)12-7(11)9-6/h1-3H,(H,9,10,11)</moldb-inchi> <moldb-inchikey>PAOWOJRQGBFDQG-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal">164.12</moldb-average-mass> <moldb-mono-mass type="decimal">164.022192</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp nil="true"/> <hmdb-id nil="true"/> <chembl-id nil="true"/> <chemspider-id>69998</chemspider-id> <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>CHEM069636</chemdb-id> <dsstox-id>DTXSID50192787</dsstox-id> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id>NS00030652</susdat-id> <iupac>pyrido[2,3-e][1,3]oxazine-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>Pyridines and derivatives</klass> <subklass nil="true"/> <paper-count type="integer">0</paper-count> <sync-id>CED0078364</sync-id> <structure-inchikey>PAOWOJRQGBFDQG-UHFFFAOYSA-N</structure-inchikey> <structure-fingerprint>200000000020000000000000002000000000000000008000000000000000000004000000000000000000000000400020800000000000000000000002000000000000000000000000000000000000000000000000000000000020000000000000100000000000800000200080000000000000000000000000000000000000000000200000000000000000080000000000000000080000000000000100000000000000000000000800000000000000000000000000000800004200000000000000800000000000002040000002000000001000000000000000000000000000</structure-fingerprint> <structure-pattern-fingerprint>1080040112044000001808090820100000042080040000002720420200008c601000100a80000000080110028000000420002040ad30010022c43800a1c00084111c00020040800090100000620003000101904000403240000420102148000c080404004002000000040040100000200680308001c0041108288000510002024000084c400000080006820a082008100c0892c400160a000008000000400000c300000000420102000940012c201002c00400824108401080628020c04310000000040401021341800002440102c00540000002004000000002001900010020100100000402000040001041012000c01000100844000240000d0050000084</structure-pattern-fingerprint> <structure-pickle type="binary" encoding="base64">776t3gAAAAAQAAAAAwAAAAAAAAAMAAAADQAAAIABCAAoAAAAAwIGQCgAAAAD BAdAOAAAAAMBAwZAKAAAAAMECAAoAAAAAwIGQCgAAAADBAZAKAAAAAMECEAo AAAAAwIGQGgAAAADAwEGQGgAAAADAwEGQGgAAAADAwEHQCgAAAADAwsAASgC AQJoDAIDaAwDBCgCAwVoDAUGaAwGB2gMBghoDAgJaAwJCmgMCgtoDAcBaAwL BWgMQgIAAAAGAQcGBQMCBggJCgsFBhcEAAAAAAAAABY= </structure-pickle> <structure-indexed-at type="dateTime">2026-09-19T04:22:23Z</structure-indexed-at> </compound>