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.


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) M020018


CASRN: 57465-28-8

Formula: C12-H5-Cl5

Synonyms/Common Names

  • PCB 126 (TEF transgenics)
  • TEF Transgenics (3,3',4,4',5 Pentachlorobiphenyl)

Short-Term Toxicity

  • 26 weeks (Topical Application)  (C20201B)  Completed 
    • Mice: Tg.AC (FVB/N) Hemizygous
    • Dose: Female mice: 0, 360, 1210, 3600, or 7600 ng/kg; 20/group; 3x week.