60714 <common-name>4-Amino-5-chloro-2-phenylpyridazin-3(2H)-one</common-name> <description>4-Amino-5-chloro-2-phenylpyridazin-3(2H)-one belongs to the pyridazines and derivatives, a subclass of diazines within the organic compounds. It is an organoheterocyclic compound with the chemical formula C10H8Cl1N3O1 and an average molecular weight of 221.64 g/mol.</description> <cas>1698-61-9</cas> <pubchem-id>613445</pubchem-id> <chemical-formula>C10H8Cl1N3O1</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">2026-03-26T22:38:45Z</created-at> <updated-at type="dateTime">2026-03-26T22:38:45Z</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>NC1=C(Cl)C=NN(C2=CC=CC=C2)C1=O</moldb-smiles> <moldb-formula>C10H8Cl1N3O1</moldb-formula> <moldb-inchi>InChI=1S/C10H8ClN3O/c11-8-6-13-14(10(15)9(8)12)7-4-2-1-3-5-7/h1-6H,12H2</moldb-inchi> <moldb-inchikey>HAKJEHJYRKVCIU-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal">221.64</moldb-average-mass> <moldb-mono-mass type="decimal">221.03559</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp nil="true"/> <hmdb-id nil="true"/> <chembl-id nil="true"/> <chemspider-id>533236</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>CHEM056607</chemdb-id> <dsstox-id>DTXSID30346584</dsstox-id> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id>NS00004664</susdat-id> <iupac>4-amino-5-chloro-2-phenylpyridazin-3-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>Diazines</klass> <subklass>Pyridazines and derivatives</subklass> <paper-count type="integer">0</paper-count> <sync-id>CED0091487</sync-id> <structure-inchikey>HAKJEHJYRKVCIU-UHFFFAOYSA-N</structure-inchikey> <structure-fingerprint>1000000000000000400000000000000000000000000000000000000000100000000020000000000002002004000000000000000000000000000080000000000000400000000000000000000020000800000000000000000000000000000000000000000000000000000000000000000100080000000000000000000000004000000000800000000000000000001000000100000000040000000000000000000000000000000000090000000000000080004000000000000000000100000000000000000000000000000000000010000000000000000208000000000000000040000008000040000000000000000000000000000000000000000000</structure-fingerprint> <structure-pattern-fingerprint>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</structure-pattern-fingerprint> <structure-pickle type="binary" encoding="base64">776t3gAAAAAQAAAAAwAAAAAAAAAPAAAAEAAAAIABBwBoAAAAAwECBkAoAAAA AwQGQCgAAAADBBEAIAAAAAEGQGgAAAADAwEHQCgAAAADAwdAKAAAAAMDBkAo AAAAAwQGQGgAAAADAwEGQGgAAAADAwEGQGgAAAADAwEGQGgAAAADAwEGQGgA AAADAwEGQCgAAAADBAgAKAAAAAMCCwABIAECaAwCAwACBGgMBAVoDAUGaAwG ByAHCGgMCAloDAkKaAwKC2gMCwxoDAYNaAwNDigCDQFoDAwHaAxCAgAAAAYB DQYFBAIGCAkKCwwHFwQAAAAAAAAAFg== </structure-pickle> <structure-indexed-at type="dateTime">2026-09-19T04:14:24Z</structure-indexed-at> </compound>