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 Transgenic model evaluation (Ethinyl estradiol) M970046

 

CASRN: 57-63-6

Formula: C20-H24-O2

Synonyms/Common Names

  • Ethinyl estradiol (Transgenic model evaluation)
  • 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17alpha) (9CI)

Known Uses

Nonsteroidal semi-synthetic estrogen used in the treatment of breast, prostate cancer. The objective of this study is to evaluate the transgenic mouse models to identify chemicals for carcinogenic potential. Associated with tobacco: reported either as a natural component of tobacco, pyrolysis product (in tobacco smoke), or additive for one or more types of tobacco products.

Chemical Properties

Toxicity Effects (HSDB)

Short-Term Toxicity

  • 2 weeks (Topical Application)  (C97011E)  Completed 
    • Mice: FVB/N
    • Dose: 0, 30, 60, 120, 180, OR 360 UG/KG; 5/SEX/DOSE; 2X/WEEK.
  • 2 weeks (Gavage)  (C97011F)  Completed 
    • Mice: FVB/N
    • Dose: 0, 30, 60, 120, 180, OR 360; 5/SEX/DOSE; 2X/WEEK.
  • 26 weeks (Topical Application)  (C97011E)  Completed 
    • Mice: FVB/N; Mice: Tg.AC (FVB/N) Homozygous
    • Dose: TG.AC MICE AT 0, 33, 265, OR 530 UG/KG AND FVB MICE AT 0 OR 530 UG/KG; 15/SEX/DOSE; 2X/WEEK.
  • 26 weeks (Gavage)  (C97011F)  Completed 
    • Mice: FVB/N; Mice: Tg.AC (FVB/N) Homozygous
    • Dose: TG.AC MICE AT 0, 33, 265, OR 530 UG/KG AND FVB MICE AT 0 OR 530 UG/KG; 15/SEX/DOSE; 2X/WEEK.