Oxybutynin

Catalog No.S1754 Batch:S175403

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Technical Data

Formula

C22H31NO3
Molecular Weight 357.49 CAS No. 5633-20-5
Solubility (25°C)* In vitro DMSO 71 mg/mL (198.6 mM)
Ethanol 71 mg/mL (198.6 mM)
Water Insoluble
In vivo (Add solvents to the product individually and in order)
Clear solution
5%DMSO Corn oil
10.0mg/ml Taking the 1 mL working solution as an example, add 50 μL of 200 mg/ml clear DMSO stock solution to 950 μL of corn oil and mix evenly. The mixed solution should be used immediately for optimal results. 
* <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.)

Preparing Stock Solutions

Biological Activity

Description Oxybutynin is a competitive antagonist of the M1, M2, and M3 subtypes of the muscarinic acetylcholine receptor, used to relieve urinary and bladder difficulties.
Targets
AChR [1]
In vitro Oxybutynin N-deethylation in human liver microsomes in vitro is potently inhibited by ketoconazole (IC50 4.5 mM), less and variably by itraconazole and not by quinidine or several other reference inhibitors, suggesting that CYP3A enzymes are predominant catalysts of the reaction. Oxybutynin inhibits CYP3A4- and CYP2D6- associated activities (testosterone 6 beta-hydroxylase and dextromethorphan O- demethylase, respectively) in human liver microsomes. Oxybutynin is predominantly metabolized by CYP3A4 and CYP3A5 but not by CYP2D6. [1] Oxybutynin (30, 100 nM) competitively antagonizes acetylcholine-induced contractions but does not alter those induced by histamine. Oxybutynin (up to 10 mM) induces a non-competitive depression of responses to both agonists and causes a parallel shift to the right of the Ca2+-induced contractions in taenia caeci strips bathed in a Ca2+-free, high-K+ medium. Oxybutynin (1-10 mM) impairs rhythmic muscular contractions in normal medium and after CaCl2 addition in Ca2+-free medium. [2] Oxybutynin increases the perfusion pressure starting at 100 mM in perfused rat liver. Oxybutynin also increases the perfusion pressure in the hepatic artery. [3]
In vivo Oxybutynin decreases significantly binding potential (BP) of (+)N-[(11)C]methyl-3-piperidyl benzilate ([(11)C](+)3-MPB) in the rat cerebral cortex and corpus striatum in a dose-dependent manner. [4] Oxybutynin induces a significant decrease in micturition pressure without changes in BVC in obstructed rats. [5]

Protocol (from reference)

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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.