21 CFR § 522.810 - Embutramide, chloroquine, and lidocaine solution.
---
identifier: "/us/cfr/t21/s522.810"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 522.810 - Embutramide, chloroquine, and lidocaine solution."
title_number: 21
title_name: "Food and Drugs"
section_number: "522.810"
section_name: "Embutramide, chloroquine, and lidocaine solution."
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: "522"
part_name: "IMPLANTATION OR INJECTABLE 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 13858, Mar. 27, 1975, unless otherwise noted."
cfr_part: "522"
---
# 522.810 Embutramide, chloroquine, and lidocaine solution.
(a) *Specifications.* Each milliliter (mL) of solution contains 135 milligrams (mg) embutramide; 45 mg chloroquine phosphate, U.S.P.; and 1.9 mg lidocaine, U.S.P.
(b) *Sponsor.* See No. 069043 in § 510.600(c) of this chapter.
(c) *Conditions of use in dogs*—(1) *Amount.* One mL per 5 pounds of body weight.
(2) *Indications for use.* For euthanasia.
(3) *Limitations.* Not for use in animals intended for food. Federal law restricts this drug to use by or on the order of a licensed veterinarian.
[70 FR 36337, June 23, 2005, as amended at 78 FR 17597, Mar. 22, 2013; 81 FR 17608, Mar. 30, 2016]