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Testing Status of (+)-Usnic Acid 09009

 

CASRN: 7562-61-0

Formula: C18-H16-O7

Synonyms/Common Names

  • 1,3(2H,9bH)-dibenzofurandione, 2,6-diacetyl-7,9-dihydroxy- 8,9b-dimethyl-, (9bR)-
  • D-Usnic acid

Short-Term Toxicity

  • 2 weeks (Dosed-Feed)  (C20609)  Report in Preparation 
    • Rats: F344/N (NCTR); Mice: B6C3F1 (NCTR)
    • Dose: R: 0, 60 120, 360, 1250, or 2500 ppm in chow; M: 0, 30, 60, 180, 600, or 1200 ppm in chow.
  • 90 days (Dosed-Feed)  (C20609)  Report in Preparation 
    • Rats: F344/N (NCTR); Mice: B6C3F1 (NCTR)
    • Dose: R: 0, 30, 60, 120, 360, or 720 ppm; M: 0, 15, 30, 60, 180, or 360 ppm.