Section 520.2184 - Sulfachloropyrazine(a)Specifications. Each gram of powder contains 476 milligrams of sodium sulfachloropyrazine monohydrate.(b)Sponsor. See No. 054771 in § 510.600(c) of this chapter.(c)Related tolerance. See § 556.625 of this chapter.(d)Conditions of use in chickens. It is used in the drinking water of broilers, breeder flocks, and replacement chickens as follows: (1)Amount. Administer in drinking water as 0.03 percent solution for 3 days.(2)Indications for use. For the treatment of coccidiosis.(3)Limitations. Withdraw 4 days prior to slaughter. Do not use in chickens producing eggs for human consumption. Federal law restricts this drug to use by or on the order of a licensed veterinarian. 79 FR 28829 , May 20, 2014, as amended at 81 FR 94990 , Dec. 27, 2016 As amended at 81 FR 94990, 12/27/2016