phentolamine hydrochloride

Catalog No.E6046 Batch:E604602

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Technical Data

Formula

C17H19N3O.ClH
Molecular Weight 317.81 CAS No. 73-05-2
Solubility (25°C)* In vitro DMSO 64 mg/mL (201.37 mM)
Ethanol 16 mg/mL (50.34 mM)
Water Insoluble
In vivo (Add solvents to the product individually and in order)
Clear solution
5%DMSO 40%PEG300 5%Tween80 50%ddH2O
3.2mg/ml Taking the 1 mL working solution as an example, add 50 μL of 64 mg/ml clarified DMSO stock solution to 400 μL of PEG300, mix evenly to clarify it; add 50 μL of Tween80 to the above system, mix evenly to clarify; then continue to add 500 μL of ddH2O to adjust the volume to 1 mL. 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 Phentolamine hydrochloride is a potent, selective, and orally active antagonist of α1 and α2 adrenergic receptors , with pKi values of 8.8, 8.0, and 8.3 for the human α2A, α2B, and α2C adrenergic receptors, respectively. It also shows binding affinities for the α1-adrenoceptor subtypes, exhibiting Ki values of 6.1 nM for cloned α1A/D, 39.8 nM for α1B, and 2.8 nM for α1C.

Protocol (from reference)

RETURN POLICY
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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.