https://ntp.niehs.nih.gov/go/10201

Target Organs and Levels of Evidence for TR-475

Toxicology and Carcinogenesis Studies of Tetrahydrofuran (CASRN 109-99-9) in F344/N Rats and B6C3F1 Mice (Inhalation Studies)

Chemical (Study Title)
CASRN		 Peer Review Date Route/Exposure Levels Study Laboratory
Tetrahydrofuran
109-99-9		 12/11/1996 Inhalation
R&M: 0, 200, 600, OR 1800 PPM (50/SEX/SPECIES/GROUP)		 Battelle Northwest Laboratory

Levels of Evidence

Male Rats: Some Evidence
Type Organ/Tissue (Lesion)
Neoplastic Lesions
  • Kidney Tubular Cell: ADENOMA 1/50 1/50 4/50 3/50 OR CARCINOMA 0/50 0/50 0/50 2/50 COMBINED 1/50 1/50 4/50 5/50
Female Rats: No Evidence
Male Mice: No Evidence
Female Mice: Clear Evidence
Type Organ/Tissue (Lesion)
Neoplastic Lesions
  • Liver: ADENOMA 12/50 17/50 18/50 31/48 OR CARCINOMA 6/50 10/50 10/50 16/48 COMBINED 17/50 24/50 26/50 41/48
 
Chemical (Study Title)
CASRN		 Peer Review Date Route/Exposure Levels Study Laboratory
Tetrahydrofuran
109-99-9		   Inhalation
R&M: 0,66,200,600,1800,5000 PPM		 Battelle Northwest Laboratory

Levels of Evidence: None