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Substance Name: Sulphonaphthyl red
RN: 77097-80-4


  • Stains granules in granulocytic cells bright red.
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Names and Synonyms

Name of Substance

  • Sulphonaphthyl red


  • Michrome #947
  • Michrome number 947

Systematic Name

  • Sulphonaphthyl red

Registry Numbers

CAS Registry Number

  • 77097-80-4

System Generated Number

  • 0077097804