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Substance Name: Oxayohimban-16-carboxylic acid, 16,17-didehydro-19-methyl-, (19-alpha,20-alpha)-, compd. with pyridinamine (1:1)
RN: 77756-82-2

Classification Code

  • Drug / Therapeutic Agent

Molecular Formula

  • C20-H22-N2-O3.C5-H6-N2

Molecular Weight

  • 433.5291
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Names and Synonyms


  • Tetrahydroalstonate d'aminopyridine
  • Tetrahydroalstonate d'aminopyridine [French]

Systematic Name

  • Oxayohimban-16-carboxylic acid, 16,17-didehydro-19-methyl-, (19-alpha,20-alpha)-, compd. with pyridinamine (1:1)

Registry Numbers

CAS Registry Number

  • 77756-82-2

System Generated Number

  • 0077756822

Molecular Formulas

Molecular Formula

  • C20-H22-N2-O3.C5-H6-N2

Molecular Formula Fragments

  • C20-H22-N2-O3
  • C5-H6-N2


Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral > 500mg/kg (500mg/kg)   European Patent Application. Vol. #0017525,
rat LD50 parenteral > 100mg/kg (100mg/kg)   European Patent Application. Vol. #0017525,