National Toxicology Program

National Toxicology Program

Nomination Summary for Phenylbutazone (N77237)


Specific Substances: Phenylbutazone

Nomination Date: 05/00/1977

Nominator: NCI

Rationale: Widely used anti-inflammatory drug which has not been adequately tested for carcinogenicity

NTP Principles: not specified

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: 50-33-9

Agent Name: Phenylbutazone

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