347727 <common-name>5-amino-4-hydroxy-3-[(1-sulfonaphthalen-2-yl)diazenyl]-6-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]naphthalene-2,7-disulfonic acid</common-name> <description>5-amino-4-hydroxy-3-[(1-sulfonaphthalen-2-yl)diazenyl]-6-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]naphthalene-2,7-disulfonic acid has the chemical formula C28H23N5O16S5. With an average molecular weight of 845.80 g/mol, 5-amino-4-hydroxy-3-[(1-sulfonaphthalen-2-yl)diazenyl]-6-[[4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]naphthalene-2,7-disulfonic acid is a heavy molecule.</description> <cas nil="true"/> <pubchem-id>135755666</pubchem-id> <chemical-formula>C28H23N5O16S5</chemical-formula> <weight>845.8</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">2026-08-31T11:32:04Z</created-at> <updated-at type="dateTime">2026-08-31T11:32:04Z</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(=C2S(=O)(=O)O)N=NC3=C(C4=C(C(=C(C=C4C=C3S(=O)(=O)O)S(=O)(=O)O)N=NC5=CC=C(C=C5)S(=O)(=O)CCOS(=O)(=O)O)N)O</moldb-smiles> <moldb-formula>C28H23N5O16S5</moldb-formula> <moldb-inchi>InChI=1S/C28H23N5O16S5/c29-24-23-16(13-21(51(37,38)39)25(24)32-30-17-6-8-18(9-7-17)50(35,36)12-11-49-54(46,47)48)14-22(52(40,41)42)26(27(23)34)33-31-20-10-5-15-3-1-2-4-19(15)28(20)53(43,44)45/h1-10,13-14,34H,11-12,29H2,(H,37,38,39)(H,40,41,42)(H,43,44,45)(H,46,47,48)</moldb-inchi> <moldb-inchikey>HAFCPQLXQRXRCZ-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal" nil="true"/> <moldb-mono-mass type="decimal">844.9743355</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>1.9</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>CHEM343620</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-amino-4-hydroxy-3-[(1-sulfonaphthalen-2-yl)diazenyl]-6-[[4-(2-sulfooxyethylsulfonyl)phenyl]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>CED0298065</sync-id> <structure-inchikey>HAFCPQLXQRXRCZ-UHFFFAOYSA-N</structure-inchikey> 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