National Toxicology Program

National Toxicology Program

Nomination Summary for 5,5-Diphenylhydantoin (Phenytoin) (N79391)

5,5-Diphenylhydantoin (Phenytoin)

Specific Substances: 5,5-Diphenylhydantoin (phenytoin)

Nomination Date: 01/00/1979

Nominator: NIEHS

Rationale: Generate additional carcinogenicity data on rodents, especially rats, for comparison with human data

NTP Principles: Pre 1993 - 4, 5

Status: Unknown

Agents and Status

The following information relates to the specific agent and may include history from earlier or later nominations for this same agent.

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CASRN: 57-41-0

Agent Name: 5,5-Diphenylhydantoin (phenytoin)

NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.