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https://ntp.niehs.nih.gov/go/13351

Phenformin hydrochloride: Target Organs and Levels of Evidence for TR-007

Bioassay of Phenformin for Possible Carcinogenicity (CASRN 114-86-3)

Chemical (Study Title)
CASRN		Peer Review DateRoute/Exposure LevelsStudy Laboratory
Phenformin hydrochloride
834-28-6		03/25/1977Dosed-Feed
R: 0,400,800, M: 0,1200,2500 PPM/35 PER GROUP		Southern Research Institute

Levels of Evidence

Male Rats: Negative
Female Rats: Negative
Male Mice: Negative
Female Mice: Negative