---
kind: "section"
citation: "21 C.F.R. § 520.2362"
title: "21"
number: "520.2362"
heading: "Thenium closylate."
url: "https://uscodex.org/cfr/21/520.2362"
---

# §520.2362. Thenium closylate.

- (a) **Specifications.** Each tablet contains thenium closylate equivalent to 500 milligrams thenium base.
- (a) **Specifications.** Thenium closylate tablets contain thenium closylate equivalent to 500 milligrams thenium as base in each tablet.
- (b) **Sponsor.** See No. 000061 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Conditions of use in dogs—**
  - (1) **Amount.** Dogs weighing over 10 pounds: Administer 1 tablet as a single dose. Dogs weighing 5 to 10 pounds: Administered one-half tablet twice during a single day. Repeat treatment after 2 or 3 weeks.
  - (2) **Indications for use.** For treatment of canine ancylostomiasis by the removal from the intestines of the adult forms of the species Ancylostoma caninum and Uncinaria stenocephala (hookworms).
  - (3) **Limitations.** Federal law restricts this drug to use by or on the order of a licensed veterinarian.

## Notes

### Amendments

[40 FR 13838, Mar. 27, 1975, as amended at 41 FR 53477, Dec. 7, 1976; 46 FR 48642, Oct. 2, 1981; 61 FR 8873, Mar. 6, 1996; 62 FR 61625, Nov. 19, 1997; 79 FR 28832, May 20, 2014]

### Authority

Authority: 21 U.S.C. 360b.

### Source

Source: 40 FR 13838, Mar. 27, 1975, unless otherwise noted.

### Amendments

[40 FR 13838, Mar. 27, 1975, as amended at 41 FR 53477, Dec. 7, 1976; 46 FR 48642, Oct. 2, 1981; 61 FR 8873, Mar. 6, 1996; 62 FR 61625, Nov. 19, 1997; 79 FR 28832, May 20, 2014]