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Substance Name: Pyrazolo(1,5-a)-1,3,5-triazine-2,4-diamine, 7-methyl-, hydrochloride, hydrate (2:2:1)
RN: 71680-64-3

Classification Code

  • Drug / Therapeutic Agent

Molecular Formula

  • C6-H8-N6.Cl-H.1/2H2-O

Molecular Weight

  • 200.6321
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Names and Synonyms


  • 2,4-Diamino-7-methyl-pyrazolo(1,5-a)-s-triazine hydrochloride hemihydrate
  • 7-Methylpyrazolo(1,5-a)-1,3,5-triazine-2,4-diamine hydrochloride hydrate (2:2:1)

Systematic Name

  • Pyrazolo(1,5-a)-1,3,5-triazine-2,4-diamine, 7-methyl-, hydrochloride, hydrate (2:2:1)

Registry Numbers

CAS Registry Number

  • 71680-64-3

System Generated Number

  • 0071680643

Molecular Formulas

Molecular Formula

  • C6-H8-N6.Cl-H.1/2H2-O

Molecular Formula Fragments

  • C6-H8-N6
  • Cl-H
  • H2-O


Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intravenous 380mg/kg (380mg/kg)   United States Patent Document. Vol. #4183930,
mouse LD50 oral 900mg/kg (900mg/kg)   United States Patent Document. Vol. #4183930,