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Technical Data
| Formula | C25H32F3N3O4 |
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| Molecular Weight | 495.53 | CAS No. | 160970-54-7 | |
| Solubility (25°C)* | In vitro | DMSO | 99 mg/mL (199.78 mM) | |
| Ethanol | 99 mg/mL (199.78 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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Preparing Stock Solutions
Biological Activity
| Description | Silodosin (KAD 3213, KMD 3213) is a highly selective α1A-adrenoceptor antagonist, used in treatment of benign prostatic hyperplasia. | |
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| In vitro | Silodosin shows higher selectivity for the alpha(1A)-AR subtype than tamsulosin hydrochloride, naftopidil or prazosin hydrochloride (affinity is highest for tamsulosin hydrochloride, followed by silodosin, prazosin hydrochloride and naftopidil in that order). [1] Silodosin and tadalafil have synergistic inhibitor effects on nerve-mediated contractions of human and rat isolated prostates in rats. [2] | |
| In vivo | Silodosin strongly antagonizes noradrenaline-induced contractions in rabbit lower urinary tract tissues (including prostate, urethra and bladder trigone, with pA(2) or pKb values of 9.60, 8.71 and 9.35, respectively). [1] Silodosin significantly inhibits the phenylephrine-induced increase in intraurethral pressure (versus the vehicle-treated group) at 12 hours, 18 hours, and 24 hours after its oral administration in rats. [3] Silodosin (0.1-0.3 mg/kg) or prazosin (0.03-0.1 mg/kg) reduces obstruction-induced increases in intraluminal ureter pressures by 21-37% or 18-40% respectively. Silodosin inhibits contractions of the rat and human isolated ureters and has excellent functional selectivity in vivo to relieve pressure-load of the rat obstructed ureter. [4] Silodosin (0.3-300 mg/kg) dose-dependently inhibits the hypogastric nerve stimulation-induced increase in intraurethral pressure (without significant hypotensive effects) in both young and old dogs with benign prostatic hyperplasia. [5] |
Protocol (from reference)
References
RETURN POLICY
Selleck Chemical’s Unconditional Return Policy ensures a smooth online shopping experience for our customers. If you are in any way unsatisfied with your purchase, you may return any item(s) within 7 days of receiving it. In the event of product quality issues, either protocol related or product related problems, you may return any item(s) within 365 days from the original purchase date. Please follow the instructions below when returning products.
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.