114778 <common-name>9-Methoxy-1,3-dioxo-1H-xantheno[2,1,9-def]isoquinoline-2(3H)-ethanesulphonate acid</common-name> <description nil="true"/> <cas nil="true"/> <pubchem-id>101028</pubchem-id> <chemical-formula>C21H15NO7S</chemical-formula> <weight>425.4</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">2026-04-05T22:12:37Z</created-at> <updated-at type="dateTime">2026-08-30T03:12:59Z</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>COC1=CC2=C(C=C1)OC3=CC=C4C5=C(C=CC2=C35)C(=O)N(C4=O)CCS(=O)(=O)O</moldb-smiles> <moldb-formula>C21H15NO7S</moldb-formula> <moldb-inchi>InChI=1/C21H15NO7S/c1-28-11-2-6-16-15(10-11)12-3-4-13-18-14(5-7-17(29-16)19(12)18)21(24)22(20(13)23)8-9-30(25,26)27/h2-7,10H,8-9H2,1H3,(H,25,26,27)</moldb-inchi> <moldb-inchikey>OLYCZVDYVLJVAE-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal" nil="true"/> <moldb-mono-mass type="decimal">425.0569228</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>2.2</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>CHEM110671</chemdb-id> <dsstox-id nil="true"/> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id>NS00088132</susdat-id> <iupac>2-(9-methoxy-1,3-dioxo-1H-benzo[3,4]isochromeno[7,8,1-def]isoquinolin-2(3H)-yl)ethanesulfonic acid</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>CED0114159</sync-id> </compound>