Skip to Main Navigation
Skip to Page Content
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.

Testing Status of TEF transgenics (PCB 126 / PECDF mixture) M020020

 

CASRN: TEFTGMIXTURE

Synonyms/Common Names

  • PCB 126/PECDF mixture (TEF transgenics)
  • TEF Transgenics (3,3',4,4',5-Pentachlorobiphenyl/2,3,4,7,8-Pentachlorodibenzofuran mixture)

Secondary:

  • 57465-28-8 - 3,3,4,4,5-Pentachlorobiphenyl (PCB 126)
  • 57117-31-4 - 2,3,4,7,8-Pentachlorodibenzofuran
  • 57117-31-4 - Toxic equivalency factor evaluation (PECDF (Pentachlorodibenzofuran))
  • 57465-28-8 - TEF transgenics (PCB 126)
  • 57117-31-4 - TEF transgenics (PECDF)
  • 57465-28-8 - Toxic equivalency factor evaluation ((PCB 126) 3,3',4,4',5-pentachlorobiphenyl)

Known Uses

Special evaluation of relative potency factors for papilloma induction by dioxin-like compounds in transgenic Tg.AC mice

Short-Term Toxicity

  • 26 weeks (Topical Application)  (C20201D)  Completed 
    • Mice: Tg.AC (FVB/N) Hemizygous
    • Dose: Female mice: 0, 36/180, 121/605, 360/1800, or 760/3800 ng/kg; 20/group; 3x/week.