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Tilmicosin (EL-870) is a macrolide antibiotic. It is used in veterinary medicine for the treatment of bovine respiratory disease and ovine respiratory disease associated with Mannheimia haemolytica.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 500 mg | $47 | In Stock | |
| 1 g | $68 | In Stock | |
| 1 mL x 10 mM (in DMSO) | $29 | In Stock |
| Description | Tilmicosin (EL-870) is a macrolide antibiotic. It is used in veterinary medicine for the treatment of bovine respiratory disease and ovine respiratory disease associated with Mannheimia haemolytica. |
| In vivo | After a subcutaneous injection, tilmicosin is eliminated more slowly from serum and milk, with t1/2 beta S of 29.3 and 41.4 hours, respectively. The apparent volume of distribution of tilmicosin is more than 1 L/kg. The peak serum tilmicosin concentration is 1.56 μg/mL. 6.39 hours after a subcutaneous injection of 10 mg/kg. Tilmicosin is extensively secreted into milk, reaching a maximum concentration of 11.6 μg/mL and having a large AUCmilk/AUCserum ratio of approximately 12:1. Tilmicosin is detectable in milk for 11 days after a single subcutaneous dose.[2] |
| Synonyms | LY-177370, EL-870 |
| Molecular Weight | 869.13 |
| Formula | C46H80N2O13 |
| Cas No. | 108050-54-0 |
| Smiles | O([C@H]1[C@@H](CCN2C[C@@H](C)C[C@@H](C)C2)C[C@@H](C)C(=O)\C=C\C(\C)=C\[C@H](CO[C@H]3[C@H](OC)[C@H](OC)[C@H](O)[C@@H](C)O3)[C@@H](CC)OC(=O)C[C@@H](O)[C@@H]1C)[C@H]4[C@H](O)[C@@H](N(C)C)[C@H](O)[C@@H](C)O4 |
| Relative Density. | 1.18 g/cm3 |
| Storage | store at low temperature | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||||||||||||
| Solubility Information | H2O: 8 mg/mL (9.2 mM), Sonication is recommended. DMSO: 55 mg/mL (63.28 mM), Sonication is recommended. Ethanol: < 1 mg/mL (insoluble or slightly soluble) | |||||||||||||||||||||||||||||||||||
| In Vivo Formulation | 10% DMSO+40% PEG300+5% Tween 80+45% Saline: 2 mg/mL (2.3 mM), Sonication is recommended. Please add the solvents sequentially, clarifying the solution as much as possible before adding the next one. Dissolve by heating and/or sonication if necessary. Working solution is recommended to be prepared and used immediately. The formulation provided above is for reference purposes only. In vivo formulations may vary and should be modified based on specific experimental conditions. | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
H2O/DMSO
DMSO
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