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Technical Data
| Formula | C41H79N3O12 |
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| Molecular Weight | 806.08 | CAS No. | 217500-96-4 | |
| Solubility (25°C)* | In vitro | DMSO | 100 mg/mL (124.05 mM) | |
| Ethanol | 100 mg/mL (124.05 mM) | |||
| Water | Insoluble | |||
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* <1 mg/ml means slightly soluble or insoluble. * Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations. * Room temperature shipping (Stability testing shows this product can be shipped without any cooling measures.) |
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Biological Activity
| Description | Tulathromycin A is a novel long-acting semi-synthetic tribasic macrocyclic antibiotic of the triamilide group and used for the treatment of pulmonary diseases of swine and cattle. |
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| In vitro | Tulathromycin A is a macrolide antibiotic that inhibits bacterial protein synthesis (IC50 = 0.26 µM) by targeting the 50S ribosomal subunit, blocking the progression of nascent polypeptide chains[2]. |
| In vivo | In cattle and swine, tulathromycin is characterized by a rapid rate of absorption and large systemic availability after subcutaneous (s.c.) and intramuscular (i.m.) administration. In contrast, oral administration of tulathromycin, using a compounded formulation, has a lower systemic availability (~50%). In plasma, tulathromycin has a long terminal half-life, ranging across species from ~2 to ~5 days except in mice in which the terminal half-life is <20 h. The longest terminal half-life in plasma is seen in foals (~140 h). Lung pharmacokinetic studies in cattle, pigs, horses, and mice show that tulathromycin accumulates in lung tissue. In general, tulathromycin is absorbed rapidly and extensively after parenteral administration. Recent published data generated in pigs, cattle and horses show that tulathromycin also accumulates rapidly and extensively in the intra-airway compartment (PELF, BELF, and cells)[1]. |
Protocol (from reference)
| Animal Study:[1] |
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References
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SHIPPING AND STORAGE
Selleck products are transported at room temperature. If you receive the product at room temperature, please rest assured, the Selleck Quality Inspection Department has conducted experiments to verify that the normal temperature placement of one month will not affect the biological activity of powder products. After collecting, please store the product according to the requirements described in the datasheet. Most Selleck products are stable under the recommended conditions.
NOT FOR HUMAN, VETERINARY DIAGNOSTIC OR THERAPEUTIC USE.