347449 <common-name>5-[[2,4-dihydroxy-5-[(4-nitrophenyl)diazenyl]phenyl]diazenyl]-4-hydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonic acid</common-name> <description>5-[[2,4-dihydroxy-5-[(4-nitrophenyl)diazenyl]phenyl]diazenyl]-4-hydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonic acid has the chemical formula C28H18N8O13S2. With an average molecular weight of 738.60 g/mol, 5-[[2,4-dihydroxy-5-[(4-nitrophenyl)diazenyl]phenyl]diazenyl]-4-hydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonic acid is a heavy molecule.</description> <cas nil="true"/> <pubchem-id>166125</pubchem-id> <chemical-formula>C28H18N8O13S2</chemical-formula> <weight>738.6</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">2026-08-31T11:12:35Z</created-at> <updated-at type="dateTime">2026-08-31T11:12:35Z</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(=CC=C1N=NC2=CC(=C(C=C2O)O)N=NC3=C4C(=CC(=C3)S(=O)(=O)O)C=C(C(=C4O)N=NC5=CC=C(C=C5)[N+](=O)[O-])S(=O)(=O)O)[N+](=O)[O-]</moldb-smiles> <moldb-formula>C28H18N8O13S2</moldb-formula> <moldb-inchi>InChI=1S/C28H18N8O13S2/c37-23-13-24(38)21(12-20(23)31-29-15-1-5-17(6-2-15)35(40)41)32-33-22-11-19(50(44,45)46)9-14-10-25(51(47,48)49)27(28(39)26(14)22)34-30-16-3-7-18(8-4-16)36(42)43/h1-13,37-39H,(H,44,45,46)(H,47,48,49)</moldb-inchi> <moldb-inchikey>MJFHHQHNHBWOJO-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal" nil="true"/> <moldb-mono-mass type="decimal">738.043475</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>4.6</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>CHEM343342</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-[[2,4-dihydroxy-5-[(4-nitrophenyl)diazenyl]phenyl]diazenyl]-4-hydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonic 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>Naphthalene sulfonic acids and derivatives</subklass> <paper-count type="integer" nil="true"/> <sync-id>CED0297791</sync-id> <structure-inchikey>MJFHHQHNHBWOJO-UHFFFAOYSA-N</structure-inchikey> 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