CAS · 220119-17-5
Product Overview
Selamectin is a high-purity veterinary-medicine supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Grade | USP/EP |
|---|---|
| Appearance | White or almost white hygroscopic powder |
| Assay (anhydrous and solvent-free basis) | 96% - 102% |
| Identification | IR spectrum of sample corresponds to that of reference substance. The retention time of the major peak of the Sample solution corresponds to that of the Standard solution, as obtained in the Assay |
| Water | 7% max |
| Residue on ignition | 0.1% max |
| Heavy metals | 20ppm max |
| Related substance Impurity A | 2.0% max |
| Impurity B | 2.0% max |
| Impurity C | 1.5% max |
| Impurity D | 1.5% max |
| Any other impurity | 1.0% max |
| Total impurities | 4.0% max |
| Disregard limit | 0.2% |
| Residual solvents Methanol | 3000ppm max |
| Toluene | 890ppm max |
| Acetone | 5000ppm max |
| Methylene chloride | 600ppm max |
| Dioxane | 380ppm max |
Applications
1. Veterinary Parasiticide
Selamectin is widely used as a broad-spectrum antiparasitic agent in veterinary medicine.
Approved for topical application on dogs and cats to control:
Fleas (Ctenocephalides felis)
Ear mites (Otodectes cynotis)
Heartworm disease (Dirofilaria immitis) prevention
Roundworms (Toxocara canis and Ancylostoma caninum)
Ticks and other external parasites
2. Broad-Spectrum Ectoparasite Control
Controls various external parasites, including ticks and mites, providing long-lasting protection.
Convenient topical administration simplifies treatment and improves owner compliance.
3. Internal Parasite Control
Effective against certain internal nematode parasites, reducing the need for multiple drugs.
Benefits
✅ Broad-Spectrum Efficacy
Targets a wide range of internal and external parasites, reducing polypharmacy.
✅ Topical Application
Easy-to-use spot-on formulation avoids the stress of oral dosing or injections.
✅ Long-Lasting Protection
Provides several weeks of protection after a single application.
✅ High Safety Margin
Generally well-tolerated by dogs and cats with low incidence of adverse effects.
✅ Improves Pet Health and Comfort
Controls parasites that cause itching, infections, and disease transmission.
Conclusion
Selamectin (CAS 220119-17-5) is a highly effective, broad-spectrum antiparasitic agent widely used in veterinary medicine for dogs and cats. Its topical application, combined with long-lasting protection against fleas, ticks, mites, heartworms, and intestinal parasites, makes it a convenient and safe choice for pet parasite control. By improving animal health and reducing parasite-borne disease risk, selamectin is a key product in modern veterinary parasitology.
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