National Toxicology Program

National Toxicology Program

Testing Status of 4-Hydroxypyrazolo[3,4-d]pyrimidine - M88010


CASRN: 315-30-0

Formula: C5-H4-N4-O

Synonyms/Common Names

  • Allopurinol

Known Uses

Treatment of gout and hyperuricemias.

Chemical Properties

Toxicity Effects (HSDB)

Genetic Toxicology

  • In Vitro Cytogenetics (CA/SCE)  (A78568)  Completed 
    • Chromosome Aberrations Positive 
  • Salmonella  (093560)  Completed 
    •  Negative 
  • Salmonella  (A00344)  Completed 
    •  Weakly Positive 
  • Salmonella  (A11761)  Completed 
    •  Negative 
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.