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Substance Name: Gaddum's substance R
RN: 12677-01-9


  • Biologically active substance extracted from bovine brain; relaxes smooth muscles.

Molecular Formula

  • Unspecified
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Names and Synonyms

Name of Substance

  • Gaddum's substance R

Systematic Name

  • Substance R (muscle relaxant)

Registry Numbers

CAS Registry Number

  • 12677-01-9

System Generated Number

  • 0012677019