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Substance Name: Sodium 4-hydroxy-3-((2-hydroxy-5-nitrophenyl)azo)-6(or7)-(phenylamino)naphthalene-2-sulphonate
RN: 94247-72-0

Molecular Formula

  • C22-H16-N4-O7-S.Na
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Names and Synonyms


  • EINECS 304-242-0

Systematic Name

  • Sodium 4-hydroxy-3-((2-hydroxy-5-nitrophenyl)azo)-6(or7)-(phenylamino)naphthalene-2-sulphonate

Registry Numbers

CAS Registry Number

  • 94247-72-0

System Generated Number

  • 0094247720

Molecular Formulas

Molecular Formula

  • C22-H16-N4-O7-S.Na

Molecular Formula Fragments

  • C22-H16-N4-O7-S
  • Na