StacksVerified U.S. regulatory reference

21 CFR §520.863

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Specifications. Each tablet contains either 10 milligrams or 50 milligrams of ethylisobutrazine hydrochloride.
  2. (b)Sponsor. See No. 000061 in § 510.600(c) of this chapter.
  3. (c)Conditions of use in dogs—(1) Amount. Administer orally 2 to 5 milligrams per pound of body weight once daily.
    1. (2)Indications for use. As a tranquilizer.
    2. (3)Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.