21 CFR 522.2240 - Sulfaethoxypyridazine.

Status message

There are 12 Updates appearing in the Federal Register for 21 CFR 522. View below or at eCFR (GPOAccess)
§ 522.2240 Sulfaethoxypyridazine.
(a) Chemical name. N 1-(6-Ethoxy-3-pyridazinyl) sulfanilamide.
(b) Specifications. Melting point range of 180 °C to 186 °C.
(c) Sponsor. See No. 053501 in § 510.600(c) of this chapter.
(d) Related tolerances. See § 556.650 of this chapter.
(e) Conditions of use. It is used for injection into cattle as follows:
(1) Amount. 2.5 grams per 100 pounds of body weight per day.
(2) Indications for use. Treatment of respiratory infection (pneumonia, shipping fever), foot rot, calf scours; as adjunctive therapy in septicemia accompanying mastitis and metritis.
(3) Limitations. Administer intravenously for not more than 4 days; or first treatment may be followed by 3 days of treatment with sulfaethoxypyridazine in drinking water or tablets in accordance with §§ 520.2240a(e) and 520.2240b(e) of this chapter; as sodium sulfaethoxypyridazine; do not treat within 16 days of slaughter; as sole source of sulfonamide; milk that has been taken from animals during treatment and for 72 hours (6 milkings) after the latest treatment must not be used for food. Federal law restricts this drug to use by or on the order of a licensed veterinarian.
[40 FR 13858, Mar. 27, 1975, as amended at 41 FR 11011, Mar. 15, 1976; 67 FR 78355, Dec. 24, 2002; 76 FR 17027, Mar. 28, 2011]

Title 21 published on 2013-04-01

The following are only the Rules published in the Federal Register after the published date of Title 21.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-04-15; vol. 79 # 72 - Tuesday, April 15, 2014
    1. 79 FR 21126 - New Animal Drugs; Ceftiofur Sodium; Gentamicin; Xylazine
      GPO FDSys XML | Text
      DEPARTMENT OF HEALTH AND HUMAN SERVICES, Food and Drug Administration
      Final rule; technical amendment.
      This rule is effective April 15, 2014.
      21 CFR Part 522

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code
U.S. Code: Title 21 - FOOD AND DRUGS

Title 21 published on 2013-04-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 21 CFR 522 after this date.

  • 2014-04-15; vol. 79 # 72 - Tuesday, April 15, 2014
    1. 79 FR 21126 - New Animal Drugs; Ceftiofur Sodium; Gentamicin; Xylazine
      GPO FDSys XML | Text
      DEPARTMENT OF HEALTH AND HUMAN SERVICES, Food and Drug Administration
      Final rule; technical amendment.
      This rule is effective April 15, 2014.
      21 CFR Part 522