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Substance Name: RU 40555
RN: 145380-08-1


  • A potent antiglucocorticoid; differs from mifepristone only by a methyl radical.
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Names and Synonyms

Name of Substance

  • RU 40555


  • RU-40555

Systematic Name

  • RU 40555

Registry Numbers

CAS Registry Number

  • 145380-08-1

System Generated Number

  • 0145380081