National Toxicology Program

National Toxicology Program

Nomination Summary for Chlorpheniramine (N80304)


Specific Substances: Chlorpheniramine

Nomination Date: 10/00/1979

Nominator: FDA

Rationale: Concern as to potential increased usage of this antihistamine as substitute for methapyrilene, which has been shown to be carcinogenic. Lack of adequate toxicity data

NTP Principles: Pre 1993 - 2, 6

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: 132-22-9

Agent Name: Chlorpheniramine

  • No studies are available.
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.