21 CFR § 520.2240 - Sulfaethoxypyridazine.

---
identifier: "/us/cfr/t21/s520.2240"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 520.2240 - Sulfaethoxypyridazine."
title_number: 21
title_name: "Food and Drugs"
section_number: "520.2240"
section_name: "Sulfaethoxypyridazine."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "E"
subchapter_name: "ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS"
part_number: "520"
part_name: "ORAL DOSAGE FORM NEW ANIMAL DRUGS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 360b."
regulatory_source: "40 FR 13838, Mar. 27, 1975, unless otherwise noted."
cfr_part: "520"
---