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Product Description
Tylosin is a macrolide veterinary antibiotic produced by fermentation of Streptomyces fradiae and supplied as an active pharmaceutical ingredient for animal-health formulations. It is primarily used in veterinary medicines and animal-feed applications where controlled tylosin potency, identity, purity, and batch consistency are required.
Tylosin is the principal active component of a naturally derived macrolide antibiotic complex and is commonly identified as tylosin A. Its molecular identity is C46H77NO17 with a molecular weight of 916.1 g/mol. Tylosin is used in veterinary pharmaceutical products and feed-related applications, subject to the regulatory requirements of the target market.
Tylosin is a macrolide antimicrobial compound associated with veterinary medicine. It is produced as a fermentation product of Streptomyces fradiae and belongs to the macrolide class. Public chemical databases identify tylosin by CAS 1401-69-0 and recognize tylosin as a veterinary drug and animal-feed additive.
For B2B procurement, the key considerations are chemical identity, assay or potency, chromatographic purity, microbiological quality, residual solvents, moisture, and documentation. Because tylosin is an antimicrobial veterinary active, the appropriate specification should be selected according to the finished dosage form and applicable veterinary-drug or feed regulations in the destination market.
| Item | Specification |
|---|---|
| Product Name | Tylosin |
| Category | Veterinary API / Macrolide Veterinary Antimicrobial |
| CAS Number | 1401-69-0 |
| Molecular Formula | C46H77NO17 |
| Molecular Weight | 916.1 g/mol |
| Typical Appearance | White to off-white powder or crystalline powder, depending on manufacturing and drying conditions |
| Primary Active Component | Tylosin, commonly identified as tylosin A |
| Assay / Potency | Pharmaceutical or veterinary-grade specifications commonly expressed by assay and/or antimicrobial potency; exact acceptance criteria are selected according to the applicable specification |
| Common Grade | Veterinary pharmaceutical grade; customized specifications available for qualified applications |
| Identification | Chromatographic and/or other validated identity testing according to the applicable specification |
| Assay Test Method | HPLC or validated compendial analytical method; microbiological potency testing may also be applicable |
| Purity Control | Chromatographic purity and related-substance control according to the applicable specification |
| Heavy Metals | Controlled according to applicable pharmaceutical or veterinary quality requirements |
| Microbiological Quality | Controlled according to the intended veterinary pharmaceutical or feed application |
| Residual Solvents | Controlled according to applicable quality requirements and manufacturing process |
| Moisture | Controlled according to product specification |
| Shelf Life | Commonly up to 24 months when stored in the original sealed packaging under recommended conditions |
| Storage | Store in a cool, dry place, protected from direct sunlight and moisture, in tightly closed packaging |
| Packaging | Commonly 1 kg or 5 kg aluminum foil bags and 25 kg fiber drums; customized packaging available |
| Particle Size | Available in standard or customized particle-size specifications according to formulation requirements |
| Documentation | COA, TDS, SDS, analytical documentation, and other technical documents available according to product and market requirements |
Tylosin is used as an active ingredient in veterinary medicines. Finished-product applications and permitted indications vary by animal species, dosage form, jurisdiction, and regulatory authorization.
Tylosin has established use in animal-feed applications in regulated markets. Feed use is subject to local requirements concerning approved products, animal species, permitted concentrations, withdrawal periods, and antimicrobial stewardship.
For formulators, tylosin can be evaluated as an active pharmaceutical ingredient for suitable veterinary dosage forms. The required raw-material specification should be matched to the intended formulation, analytical method, manufacturing process, and target-market requirements.
For tylosin, procurement should not rely on a single percentage-purity number. Veterinary buyers should first determine whether the finished product specification is controlled primarily by chemical assay, antimicrobial potency, or a combination of chemical and microbiological testing. The purchasing specification should then match the registered or applicable finished-product standard.
| Procurement Requirement | Recommended Quality Focus | Why It Matters |
|---|---|---|
| Raw-material identity | CAS identity plus validated chromatographic identification | Confirms that the incoming material corresponds to the intended tylosin active ingredient. |
| Chemical assay | Validated HPLC or applicable compendial procedure | Provides quantitative control of the active component and supports batch-to-batch consistency. |
| Related substances | Chromatographic impurity profile | Important when the raw material is being qualified for pharmaceutical manufacturing. |
| Antimicrobial potency | Applicable microbiological potency assay | Useful where the finished-product or purchasing specification defines biological activity rather than chemical content alone. |
| Manufacturing suitability | Moisture, particle size, residual solvents, and microbiological quality | These attributes can affect handling, blending, formulation processing, and incoming-material acceptance. |
The analytical method should be agreed before commercial qualification. A method used for veterinary-drug residue analysis is not automatically interchangeable with a raw-material release method. Procurement teams should therefore request the relevant analytical specification and COA format for the intended application rather than comparing suppliers solely by a headline assay value.
A reliable tylosin supply program should combine consistent active-ingredient quality with practical documentation and batch control. Standard and customized specifications can be supported according to the intended veterinary application.
Tylosin can be supplied in standard bulk packaging such as aluminum foil bags for smaller quantities and fiber drums for larger-volume orders. Packaging configuration can be adapted to handling, storage, transportation, and formulation requirements.
Particle size and packaging specifications may be customized where the manufacturing process requires particular flow, dispersion, or handling characteristics. Exact MOQ and packing configurations depend on the selected specification and order quantity.
Veterinary-product projects can be supported with customized formulation, dosage-form manufacturing, packaging, labeling, and private-label services where permitted by the target market and product registration requirements. Technical coordination can cover raw-material specifications, packaging format, documentation, and finished-product requirements.
For regulated veterinary products, the final formulation, label claims, dosage instructions, and market authorization requirements should be reviewed against the applicable regulatory framework before commercialization.
Quality control for tylosin can include the following per-batch checks, depending on the agreed specification:
Analytical procedures should be selected and validated for the intended material and application. Public regulatory and scientific sources also document HPLC methods for tylosin analysis, while antimicrobial potency has historically been evaluated using biological assay approaches.
Tylosin is a veterinary antimicrobial, so procurement and use are subject to market-specific regulatory controls. Requirements can differ for veterinary medicines, medicated feed, food-producing animals, and companion-animal products. Buyers should verify the permitted application, specification, labeling, residue requirements, and antimicrobial-use rules applicable to the destination market.
Raw material should be handled according to its SDS and the requirements of the manufacturing site. It should be protected from excessive moisture, heat, and direct sunlight and kept in suitable closed packaging during storage and transportation.
Tylosin is an established macrolide veterinary API used in animal-health pharmaceutical and regulated animal-feed applications. For B2B sourcing, the most important qualification points are identity, assay or potency, related substances, microbiological quality, residual solvents, moisture, documentation, and compliance with the intended market requirements.
Contact us today to request samples, a COA, technical documents, and a wholesale quotation for tylosin.

Packaging & Delivery
| Selling Units: | Kilogram |
|---|
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