74942 <common-name>4-Oxo-4H-1-benzopyran-2-carbonyl chloride</common-name> <description>4-Oxo-4H-1-benzopyran-2-carbonyl chloride belongs to the 1-benzopyrans, a subclass of benzopyrans within the organic compounds. This organoheterocyclic compound has the chemical formula C10H5Cl1O3 and an average molecular weight of 208.60 g/mol.</description> <cas>5112-47-0</cas> <pubchem-id>78788</pubchem-id> <chemical-formula>C10H5Cl1O3</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">2026-04-04T02:34:59Z</created-at> <updated-at type="dateTime">2026-04-04T02:34:59Z</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>ClC(=O)C1=CC(=O)C2=CC=CC=C2O1</moldb-smiles> <moldb-formula>C10H5Cl1O3</moldb-formula> <moldb-inchi>InChI=1S/C10H5ClO3/c11-10(13)9-5-7(12)6-3-1-2-4-8(6)14-9/h1-5H</moldb-inchi> <moldb-inchikey>FAEHWELEABAGRQ-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal">208.6</moldb-average-mass> <moldb-mono-mass type="decimal">207.992722</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp nil="true"/> <hmdb-id nil="true"/> <chembl-id nil="true"/> <chemspider-id>71125</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>CHEM070835</chemdb-id> <dsstox-id>DTXSID70199137</dsstox-id> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id>NS00032216</susdat-id> <iupac>4-oxochromene-2-carbonyl chloride</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>Benzopyrans</klass> <subklass>1-benzopyrans</subklass> <paper-count type="integer">0</paper-count> <sync-id>CED0161312</sync-id> <structure-inchikey>FAEHWELEABAGRQ-UHFFFAOYSA-N</structure-inchikey> <structure-fingerprint>1000000020000000000004800000000000000000000000000000000000000000000000000000000000000000000020800000000000000000000000000000000000010000000000000000100000000000000000000000000000000000000000000000000000800000000080000000001000000100000000000000000000000800000000000000040000080000000000000000000000000000800000000000000000040000000800000000000000000010000000000000000220000000000000800000000000000040000000000400000480000000000000040000008000</structure-fingerprint> <structure-pattern-fingerprint>4010000001120440c4004800010820000000040010052000002520400280020c4002001002800000000001080080000004200020408c30010922443000a0400084110c0002000c011094100001620300000001805000303260200422002048000c2c0406004002000000040144100000200680108001c0041108a00002510012004008084c4000080800020008080008110c0012c450140a00100800000000a180c101008000c20002000940013c231002c00010894188481280430008c8021000000004850100130180000004010ac0050000000208500005000200080001002014001600010000004000016100208000100010804000020000080050000000</structure-pattern-fingerprint> <structure-pickle type="binary" encoding="base64">776t3gAAAAAQAAAAAwAAAAAAAAAOAAAADwAAAIABEQAgAAAAAQYAKAAAAAME CAAoAAAAAwIGQCgAAAADBAZAaAAAAAMDAQZAKAAAAAMECAAoAAAAAwIGQCgA AAADBAZAaAAAAAMDAQZAaAAAAAMDAQZAaAAAAAMDAQZAaAAAAAMDAQZAKAAA AAMECEAoAAAAAwILAAEAAQIoAgEDIAMEaAwEBWgMBQYoAgUHaAwHCGgMCAlo DAkKaAwKC2gMCwxoDAwNaAwNA2gMDAdoDEICAAAABgMNDAcFBAYICQoLDAcX BAAAAAAAAAAW </structure-pickle> <structure-indexed-at type="dateTime">2026-09-19T04:23:18Z</structure-indexed-at> </compound>