Skip to Main Navigation
Skip to Page Content

COVID-19 is an emerging, rapidly evolving situation.

Get the latest public health information from CDC and research information from NIH.

U.S. flag

An official website of the United States government

Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Share This:
https://ntp.niehs.nih.gov/go/14728

Toxaphene: Target Organs and Levels of Evidence for TR-037

Bioassay of Toxaphene for Possible Carcinogenicity (CASRN 8001-35-2)

Chemical (Study Title)
CASRN
Peer Review DateRoute/Exposure LevelsStudy Laboratory
Toxaphene
8001-35-2
08/31/1978Dosed-Feed
MR: 0,556,1112 (AVG), FR: 0,540,1080 (AVG), M: 0,99,198 (AVG) PPM/50 PER GROUP
Gulf South Research Institute

Levels of Evidence

Male Rats: Equivocal
TypeOrgan/Tissue (Lesion)
Neoplastic Lesions
  • Thyroid Gland Follicular Cell: ADENOMA, ADENOMA OR CARCINOMA
Female Rats: Equivocal
TypeOrgan/Tissue (Lesion)
Neoplastic Lesions
  • Thyroid Gland Follicular Cell: ADENOMA
Male Mice: Positive
TypeOrgan/Tissue (Lesion)
Neoplastic Lesions
  • Liver: (CARCINOMA)
Female Mice: Positive
TypeOrgan/Tissue (Lesion)
Neoplastic Lesions
  • Liver: (CARCINOMA)