Pyrantel (+)-tartrate salt
Pyrantel (+)-tartrate salt (CAS 33401-94-4), with the empirical formula C11H14N2S · C4H6O6 and a molecular weight of 356.39 g/mol, is a chemical compound used in scientific research. Its primary applications involve the study of neuronal nicotinic receptors and allosteric modulation of these receptors. It has also been historically used in veterinary medicine for treating parasitic infections in livestock.
- IUPAC
- 1-Methyl-2-(2-[2-thienyl]ethenyl)-1,4,5,6-tetrahydropyrimidine

Research on Nicotinic Receptors
Pyrantel tartrate salt is employed in research to investigate the function and modulation of neuronal nicotinic acetylcholine receptors (nAChRs).
Veterinary Applications
Historically, pyrantel has been utilised for its efficacy in treating parasitic infections in livestock, though this application is for the base compound and not specific to the tartrate salt for research purposes.
Allosteric Modulation Studies
This salt serves as a valuable tool for studying allosteric modulation mechanisms within neuronal nicotinic receptors.
| Molecular weight | 356.39 |
|---|---|
| Empirical formula | C11H14N2S · C4H6O6 |
| Application | Pyrantel is used to study neuronal nicotinic receptors and has been is used to treat parasiticinfections in livestock1. Pyrantel tartrate salt is used to study allosteric modulation of the neuronal nicotinic acetylcholine receptors (nAChRs)2. |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25 |
| Safety statements (S) | 45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Pyrantel (+)-tartrate salt used for?
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Pyrantel (+)-tartrate salt (CAS 33401-94-4) is used for studying neuronal nicotinic receptors and their allosteric modulation. It has also seen historical use in treating parasitic infections in livestock.
What is the CAS number and formula for Pyrantel (+)-tartrate salt?
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The CAS number is 33401-94-4, and the empirical formula is C11H14N2S · C4H6O6.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pyrantel (+)-tartrate salt with a molecular weight of 356.39 g/mol. The specific grade and purity are available upon request, and TSS does not represent this product as USP, BP, or EP grade.
What are the safety considerations for handling Pyrantel (+)-tartrate salt?
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Pyrantel (+)-tartrate salt is classified with GHS06 symbol and 'Danger' signal word. It carries hazard statement H301 (Toxic if swallowed) and requires personal protective equipment including eyeshields, faceshields, gloves, and a type P2 respirator. Handle with extreme caution in a well-ventilated area.
How is Pyrantel (+)-tartrate salt packed and shipped?
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Pyrantel (+)-tartrate salt is packed and shipped according to international regulations for hazardous materials. It is UN 2811 classified with hazard class 6.1 and packing group III.
How can I request a sample or quote for Pyrantel (+)-tartrate salt?
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To request a sample or a quote for Pyrantel (+)-tartrate salt, please contact our sales team through the website or by calling our office. Provide the CAS number 33401-94-4 for prompt service.
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