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Substance Name: Benzenesulfonic acid, 5-(2-(2,4-dihydroxy-5-(2-(4-sulfophenyl)diazenyl)phenyl)diazenyl)-2,4-dimethyl-, sodium salt (1:2)
RN: 72749-81-6
InChIKey: WDCXWWZKWNFEKH-BAXPPBTCSA-L

Molecular Formula

  • C20-H18-N4-O8-S2.2Na

Molecular Weight

  • 550.478
 
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Names and Synonyms

Synonym

  • 2,4-Dimethyl-5-((5-((4-sulfophenyl)azo)-2,4-dihydroxyphenyl)azo)benzenesulfonic acid, disodium salt

Systematic Names

  • Benzenesulfonic acid, 5-((2,4-dihydroxy-5-((4-sulfophenyl)azo)phenyl)azo)-2,4-dimethyl-, disodium salt
  • Benzenesulfonic acid, 5-(2-(2,4-dihydroxy-5-(2-(4-sulfophenyl)diazenyl)phenyl)diazenyl)-2,4-dimethyl-, sodium salt (1:2)

Registry Numbers

CAS Registry Number

  • 72749-81-6

System Generated Number

  • 0072749816

Molecular Formulas

Molecular Formula

  • C20-H18-N4-O8-S2.2Na

Molecular Formula Fragments

  • C20-H18-N4-O8-S2
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C20H18N4O8S2.2Na/c1-11-7-12(2)20(34(30,31)32)9-15(11)22-24-17-8-16(18(25)10-19(17)26)23-21-13-3-5-14(6-4-13)33(27,28)29;;/h3-10,25-26H,1-2H3,(H,27,28,29)(H,30,31,32);;/q;2*+1/p-2/b23-21+,24-22+;;

InChIKey

WDCXWWZKWNFEKH-BAXPPBTCSA-L

Smiles

[Na+].[Na+].c1(c(cc(c(c1)\N=N\c1c(cc(c(c1)\N=N\c1ccc(cc1)S(=O)(=O)[O-])O)O)C)C)S(=O)(=O)[O-]