(a) Specifications—(1) Each milliliter of solution contains 100 milligrams (mg) of phenylbutazone. (2) Each milliliter of solution contains 200 mg of phenylbutazone.
CFR 21-522.1720-2014 history
2014CFR 21-522.1720-2014 Food and drugs. Part522:Implantation or injectable dosage form new animal drugs. Section522.1720:Phenylbutazone.