21 CFR 520.2046
§ 520.2046 Pyrantel tartrate pellets.
United States · 21 CFR — Food and Drugs · Status: effective
Cite this
- Citation
- 21 CFR 520.2046, § 520.2046 Pyrantel tartrate pellets, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/87300
- Permanent ID
ys:prov:87300@1- SHA-256
3584e8370fbcec8831d216a0f77a091f715bab9936235251d07cea114d6771e0
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
(a) Specifications.
(1) Each gram of pellets contains 12.5 milligrams (mg) (1.25 percent) pyrantel tartrate; or
(2) Each gram of pellets contains 21.1 mg (2.11 percent) pyrantel tartrate.
(b) Sponsors. See sponsor numbers in § 510.600(c) of this chapter:
(1) No. 054771 for use of products described in paragraph (a) as in paragraph (c) of this section.
(2) No. 061133 for use of product described in paragraph (a)(1) as in paragraph (c) of this section.
(c) Conditions of use in horses—(1) Amount. Administer as a single dose at 12.5 mg per 2.2 pounds of body weight mixed with the usual grain ration.
(2) Indications for use. For the removal and control of infections from the following mature parasites: Large strongyles (Strongylus vulgaris, S. edentatus, S. equinus), small strongyles (Trichonema spp., Triodontophorus), pinworms (Oxyuris), and large roundworms (Parascaris).
(3) Limitations. Do not treat severely debilitated animals with this drug. Do not use in horses intended for human consumption.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.