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Substance Name: Pyrazole, 4-amino-5-(o-methoxyphenyl)-, hydrochloride
RN: 91857-44-2

Classification Code

  • Drug / Therapeutic Agent

Molecular Formula

  • C10-H11-N3-O.Cl-H
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Names and Synonyms


  • 1H-Pyrazol-4-amine, 3-(2-methoxyphenyl)-, monohydrochloride
  • 4-Amino-5-(o-methoxyphenyl)pyrazole hydrochloride

Systematic Name

  • Pyrazole, 4-amino-5-(o-methoxyphenyl)-, hydrochloride

Registry Numbers

CAS Registry Number

  • 91857-44-2

System Generated Number

  • 0091857442

Molecular Formulas

Molecular Formula

  • C10-H11-N3-O.Cl-H

Molecular Formula Fragments

  • C10-H11-N3-O
  • Cl-H


Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 1gm/kg (1000mg/kg)   Farmaco, Edizione Scientifica. Vol. 39, Pg. 618, 1984.