> Technical Snapshot
| Product Name | Selamectin |
|---|---|
| Molecular Structure |  |
| CAS Number | 220119-17-5 |
| Category | Veterinary antiparasitic raw material / companion animal API |
| Alias / Common Name | Selamectin; UK-124,114; Revolution active ingredient; Stronghold active ingredient |
| Molecular Formula | C43H63NO11 |
| Molecular Weight | 769.97 g/mol |
| Assay / Purity | 99.8% by current product record; final batch value confirmed by COA |
| Appearance | White to light yellow crystalline powder |
| Storage | Keep sealed, protected from light and moisture; controlled storage is recommended |
| Packaging | 1 kg and 25 kg packaging options; sample packaging reviewed by inquiry |
| Documentation | COA and MSDS for quotation and shipment review; additional documents by request |
TCS Pharmaceuticals supplies Selamectin CAS 220119-17-5 as a veterinary antiparasitic raw material for companion animal and animal health sourcing projects. This page is written for B2B buyers evaluating Selamectin for formulation development, distributor qualification, incoming quality review, or repeat procurement programs. It is not a finished spot-on medicine, not a consumer pet product, and not animal-use guidance.
Selamectin belongs to the macrocyclic lactone family and is widely recognized in veterinary product development as an active ingredient associated with companion animal ectoparasite and endoparasite control programs. Procurement teams usually review identity, assay, impurity profile, packaging, storage conditions, document availability, and destination-market requirements before moving from sample evaluation to larger purchasing. TCS Pharmaceuticals handles Selamectin inquiries from the raw-material and documentation side: the buyer defines the formulation target, local regulatory route, species scope, and finished-product obligations.
> Veterinary Application Context
Companion animal antiparasitic projects
Selamectin is commonly evaluated for companion animal antiparasitic formulation programs where buyers require an identified active ingredient with a clear CAS number, batch documentation, and practical packaging options. The material may be reviewed by veterinary pharmaceutical companies, regional animal health brands, contract formulators, or distributors preparing raw-material files for dog and cat product lines.
Topical formulation and active-ingredient review
For topical or spot-on development work, buyers normally examine assay, related substances, solubility behavior, residual solvents, light sensitivity, packaging compatibility, and stability data. TCS Pharmaceuticals does not define the finished formulation or the target claim. Those decisions remain with the buyer, their formulation team, and the local veterinary regulatory pathway.
Procurement use, not owner-facing use
The Selamectin supplied through this page is a B2B raw material. It should be handled by qualified organizations with appropriate quality systems, import procedures, and formulation controls. Pet owners, farms, and clinics looking for finished medicines should use locally authorized veterinary products through appropriate professional channels.
> Sourcing and Supply
TCS Pharmaceuticals supports Selamectin sourcing discussions for animal health buyers that need sample evaluation, kilogram quotation, or planned repeat supply. Inquiry review starts with product name, CAS number, target quantity, destination country, requested assay, packaging preference, and document requirements. This keeps the quotation aligned with the buyer’s actual project rather than forcing every inquiry into one fixed format.
For early-stage projects, buyers may request a small evaluation quantity for identity testing, method confirmation, formulation screening, or supplier qualification. For larger procurement, the discussion normally expands to batch availability, packaging format, shipment route, document set, lead time, and repeat-order planning. Selamectin is a value-sensitive veterinary active, so quotation should be based on real quantity and document scope rather than public list pricing.
- Sample review: suitable for laboratory identity checks, method development, or preliminary formulation assessment.
- Kilogram inquiry: suitable for pilot batches, distributor qualification, and purchasing approval.
- Repeat supply planning: suitable for buyers who need consistent communication, batch records, packaging continuity, and export coordination.
> Quality and Documentation
COA and MSDS are the standard document basis for Selamectin inquiries. The COA should be used to review batch identity, assay, appearance, and other agreed specification items. MSDS supports safe handling and transport review. Additional documents such as a specification sheet, packing list, invoice information, or origin-related documents can be discussed according to destination and order scope.
Buyers should not assume that every veterinary active has the same registration package, document history, or market authorization status. TCS Pharmaceuticals can help review commercially available documentation before quotation, but finished-product registration, claims, and local compliance decisions remain the buyer’s responsibility. If a buyer needs a specific impurity limit, analytical method, packaging statement, or import document, it should be listed at the inquiry stage.
| Document | Use in Selamectin procurement |
|---|---|
| COA | Batch review for assay, identity, appearance and agreed specification items |
| MSDS | Handling, storage, safety and shipment review |
| Specification sheet | Pre-purchase alignment when buyers have internal raw-material standards |
| Packing list / invoice data | Export and receiving preparation for confirmed orders |
> Packaging and Handling
Selamectin should be protected from unnecessary light, heat, and moisture exposure during storage and transfer. Packaging can be reviewed for sample quantities, 1 kg orders, and 25 kg purchasing formats. The selected pack should match the buyer’s receiving process, internal sampling procedure, and expected storage period.
For small quantities, sealed light-protective packaging is usually preferred. For kilogram or larger inquiries, buyers should confirm whether they require inner bags, secondary containers, drum labels, batch labels, or pallet-level markings. The goal is to reduce avoidable repacking and make incoming quality control easier after arrival.
> Pricing and MOQ
Selamectin pricing is confirmed by inquiry. The final quotation depends on assay, batch size, packaging, document needs, destination country, shipping terms, and current availability. TCS Pharmaceuticals does not publish fixed online prices for Selamectin because B2B veterinary API purchasing is normally specification-driven.
Buyers requesting a quote should provide the target quantity, intended procurement stage, destination, required documents, and any internal specification. MOQ is confirmed case by case. Payment terms are normally 100% T/T unless separately agreed for an established account or larger repeat program.
> Veterinary Procurement Notes
Selamectin procurement should be handled as a veterinary active-ingredient project rather than a generic chemical purchase. Before ordering, buyers should check whether their internal team needs an assay range, impurity profile, residual-solvent information, packaging photos, sample dispatch, or a document review before commercial confirmation. These details affect quotation quality and reduce rework after the first response.
Destination-market requirements also matter. Import documents, local animal health rules, finished-product claims, and responsible-person obligations vary by country. TCS Pharmaceuticals can support raw-material quotation and shipment discussion, but the buyer should confirm whether Selamectin is permitted for the intended formulation route and target market.
Buyer evaluation checklist
For Selamectin projects, a useful first review normally includes five points: confirmed CAS identity, target assay, intended packaging size, destination country, and document expectations. Buyers with an established incoming-control procedure may also request a comparison between their internal specification and the available batch COA. This comparison is especially useful when the material will be used for supplier qualification, stability screening, or pilot formulation work.
If the buyer is switching from another supplier, the inquiry should mention whether the goal is cost review, document improvement, packaging alignment, or continuity of supply. These are different purchasing situations. A buyer replacing a legacy source may need extra attention on batch consistency and analytical method matching, while a new development project may need smaller sample handling and clearer technical communication before a larger quotation.
Batch review before purchase
Selamectin buyers should review the available batch information before confirming shipment. The review does not need to be complicated, but it should be specific. At minimum, confirm product name, CAS number, assay, appearance, packaging, storage recommendation, and document language. If the destination market has strict import or veterinary raw-material controls, raise those requirements before payment so that document feasibility can be checked early.
TCS Pharmaceuticals uses the inquiry stage to clarify these details rather than treating Selamectin as a one-click catalog item. That approach is slower than a simple online checkout, but it is more practical for B2B veterinary API sourcing because the buyer’s destination, internal quality process, and packaging needs can change the correct commercial response.
When available, buyers may also request current stock status, estimated dispatch timing, and whether the quoted batch can be reserved during document review. These points help purchasing teams coordinate internal approvals before confirming payment.
> Alias and Search Index
- Primary name: Selamectin
- CAS Number: 220119-17-5
- Known development code: UK-124,114
- Common commercial references: Revolution active ingredient; Stronghold active ingredient
- Product family: macrocyclic lactone / avermectin-related veterinary antiparasitic
- Molecular formula: C43H63NO11
- Procurement search terms: Selamectin veterinary API, Selamectin animal health raw material, Selamectin companion animal API, Selamectin CAS 220119-17-5 supplier
> FAQ
What is Selamectin CAS 220119-17-5 used for in sourcing projects?
Selamectin is reviewed as a veterinary antiparasitic active ingredient for companion animal formulation and animal health procurement projects. Buyers should confirm their own formulation route, species scope, and local regulatory requirements.
Can TCS Pharmaceuticals supply Selamectin for sample evaluation?
Sample inquiries can be reviewed for qualified B2B buyers. Please provide the CAS number, target quantity, destination country, and required documents so the quotation can match the project stage.
What documents are available for Selamectin inquiries?
COA and MSDS are the standard documents for quotation and shipment review. A specification sheet or additional export documents can be discussed according to quantity, destination, and order scope.
Is Selamectin supplied as a finished veterinary medicine?
No. TCS Pharmaceuticals supplies Selamectin as a B2B raw material. Finished-product formulation, registration, labeling, and market authorization are handled by the buyer.
Which packaging options are available for Selamectin?
Current product records include 1 kg and 25 kg packaging options. Smaller sample packaging or project-specific packing can be reviewed during quotation.
Can buyers request a specific Selamectin purity or assay range?
Yes. Buyers can send their target assay, impurity limits, and internal specification for review. Final batch values are confirmed through the COA.
Does TCS Pharmaceuticals provide animal-use instructions?
No. This page is for B2B raw-material sourcing only. Species directions, administration guidance, and finished-product instructions must be handled by qualified veterinary and regulatory professionals.
What information is needed for a Selamectin quotation?
Please send product name, CAS number, target quantity, destination country, required documents, packaging preference, and procurement stage. This helps avoid an incomplete or mismatched quotation.
Can Selamectin be sourced for repeat animal health supply programs?
Repeat supply can be discussed when the buyer provides expected annual demand, pack size, document needs, and shipment destination. Availability and lead time are confirmed case by case.
How should Selamectin be stored before formulation work?
Selamectin should be kept sealed and protected from light and moisture. Buyers should follow the batch COA, MSDS, and their own internal storage procedures after receipt.
Can additional export documents be discussed before shipment?
Yes. Additional document needs should be raised before order confirmation. Availability depends on product, batch, order size, destination, and shipment route.
Is local veterinary compliance checked by TCS Pharmaceuticals?
TCS Pharmaceuticals supports raw-material sourcing and documentation review. The buyer is responsible for confirming local veterinary rules, finished-product registration, and permitted market use.
> Request a Quote
Contact TCS Pharmaceuticals for Selamectin CAS 220119-17-5 with your target quantity, destination country, packaging preference, and required documents. For the fastest review, include whether the inquiry is for sample evaluation, pilot formulation, distributor qualification, or planned repeat supply.
Last reviewed: June 2026