{"data":{"id":"us/21-cfr-522.1289","jurisdiction":"us","citation":"21 CFR 522.1289","heading":"Lufenuron.","body":"(a) Specifications. Each milliliter of suspension contains 100 milligrams (mg) of lufenuron.\n(b) Sponsor. See No. 058198 in § 510.600(c) of this chapter.\n(c) Conditions of use in cats—(1) Amount. 10 mg per kilogram (4.5 mg per pound) of body weight every 6 months, by subcutaneous injection.\n(2) Indications for use. For control of flea populations in cats 6 weeks of age and older.\n(3) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS","PART 522—IMPLANTATION OR INJECTABLE DOSAGE FORM NEW ANIMAL DRUGS"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"28656770277d612f9111fcbc6267e399c5dbfe3ee42322a7155fc5c89b03e8be","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-522.1260","next":"us/21-cfr-522.1290"},"notice":"GroundRules: Original legal text. Not legal advice."}