Chloral hydrate, pentobarbital, and magnesium sulfate.
21 C.F.R. § 522.380
in effectEffective: 2024-07-01(a) Specifications. Each milliliter of solution contains 42.5 milligrams (mg) of chloral hydrate, 8.86 mg of pentobarbital, and 21.2 mg of magnesium sulfate.
(b) Sponsor. See No. 054771 in § 510.600(c) of this chapter.
(c) Conditions of use—(1) Amount. For general anesthesia: Administer 20 to 50 milliliters per 100 pounds of body weight by intravenous injection until the desired effect is produced. Cattle usually require a lower dosage on the basis of body weight. As a sedative-relaxant: Administer at a level of one-fourth to one-half of the anesthetic dosage level.
(2) Indications for use. For general anesthesia and as a sedative-relaxant in cattle and horses.
(3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026