299707 <common-name>5-chloro-2-hydroxy-3-[(2-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonic acid</common-name> <description>5-chloro-2-hydroxy-3-[(2-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonic acid belongs to the naphthols and derivatives, a subclass of naphthalenes within the organic compounds. It is a benzenoid with the formula C16H11ClN2O5S and an average molecular weight of 378.80 g/mol.</description> <cas nil="true"/> <pubchem-id>163641</pubchem-id> <chemical-formula>C16H11ClN2O5S</chemical-formula> <weight>378.8</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">2026-08-28T16:21:38Z</created-at> <updated-at type="dateTime">2026-08-28T16:21:38Z</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>C1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C(=CC(=C3)Cl)S(=O)(=O)O)O)O</moldb-smiles> <moldb-formula>C16H11ClN2O5S</moldb-formula> <moldb-inchi>InChI=1S/C16H11ClN2O5S/c17-10-7-12(16(21)14(8-10)25(22,23)24)18-19-15-11-4-2-1-3-9(11)5-6-13(15)20/h1-8,20-21H,(H,22,23,24)</moldb-inchi> <moldb-inchikey>RCGWGIMRUCLVQX-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal" nil="true"/> <moldb-mono-mass type="decimal">378.0077203</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>4.2</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>CHEM295600</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>5-chloro-2-hydroxy-3-[(2-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonic 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>Benzenoids</superklass> <klass>Naphthalenes</klass> <subklass>Naphthols and derivatives</subklass> <paper-count type="integer" nil="true"/> <sync-id>CED0250997</sync-id> <structure-inchikey>RCGWGIMRUCLVQX-UHFFFAOYSA-N</structure-inchikey> <structure-fingerprint>2000000000000000000000000000000000000000000000300080000000000000000000000000040000020000000000800000000000000000000000000000000000000008400000008000002020000020000000000000000004000000000000000000010000000800000000100000000000001000000000000000000000000000000000000001800080000000000000000000100100000000000000000002000000000000000000040000080000000000000000000000180001010000000000000000040004002100000000000000400010000000000000001200000000000000000000000801000040000000000100000000000000000000000000000000</structure-fingerprint> 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