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Nomination Summary for Chlorpheniramine (N80304)

Nominated 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

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