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Substance Name: 2-Pyrazolin-5-one, 1,4-diphenyl-3-(4-pyridyl)-, hydrochloride
RN: 7410-09-5

Classification Code

  • Drug / Therapeutic Agent

Molecular Formula

  • C20-H15-N3-O.x-Cl-H

Molecular Weight

  • 349.819
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Names and Synonyms


  • 1,4-Diphenyl-3-(4'-pyridyl)-pyrazolone-5 hydrochloride

Systematic Name

  • 2-Pyrazolin-5-one, 1,4-diphenyl-3-(4-pyridyl)-, hydrochloride

Registry Numbers

CAS Registry Number

  • 7410-09-5

System Generated Number

  • 0007410095

Molecular Formulas

Molecular Formula

  • C20-H15-N3-O.x-Cl-H

Molecular Formula Fragments

  • C20-H15-N3-O
  • Cl-H

Structure Descriptors




Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 230mg/kg (230mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD Dissertationes Pharmaceuticae. Vol. 17, Pg. 295, 1965.