ML133 HCl

Catalog No.S2825 Batch:S282501

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Technical Data

Formula

C19H19NO.HCl

Molecular Weight 313.82 CAS No. 1222781-70-5
Solubility (25°C)* In vitro DMSO 63 mg/mL (200.75 mM)
Ethanol 6 mg/mL (19.11 mM)
Water Insoluble
* <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 ML133 HCl is a selective potassium channel inhibitor for Kir2.1 with IC50 of 1.8 μM (pH 7.4) and 290 nM (pH 8.5), has no effect on Kir1.1 and weak activity for Kir4.1 and Kir7.1.
Targets
Kir2.1 [1]
290 nM
In vitro The ratio of total concentration of extracellular ML133 versus intracellular ML133 is 1:0.13 at pH 6.5, 1:9.09 at pH 8.5. ML133 is clean against 3A4 and 2C9 (IC50 >30 μM), displays moderate inhibition of 1A2 (IC50 = 3.3 μM) but proves to be a potent inhibitor of 2D6 (IC50 = 0.13 μM) in CYP450 assay. ML133 is highly protein bound (>99%) in both human and rat and also displays high intrinsic clearance in both species. ML133 (10 μM) is not displaced by K+ influx from the wild-type Kir2.1 in HEK 293 cells. M1 and/or M2 transmembrane domains contain the critical molecular determinant for ML133 inhibition of Kir2.1, especially D172 and I176. [1]

Protocol (from reference)

Selleck's ML133 HCl has been cited by 4 publications

Dextran sodium sulfate potentiates NLRP3 inflammasome activation by modulating the KCa3.1 potassium channel in a mouse model of colitis [ Cell Mol Immunol, 2022, 19(8):925-943] PubMed: 35799057
Kir2.1-mediated membrane potential promotes nutrient acquisition and inflammation through regulation of nutrient transporters [ Nat Commun, 2022, 13(1):3544] PubMed: 35729093
Memantine selectively prevented the induction of dynamic allodynia by blocking Kir2.1 channel and inhibiting the activation of microglia in spinal dorsal horn of mice in spared nerve injury model. [ Mol Pain, 2019, 15:1744806919838947] PubMed: 30845882
Kir2. 1 Channel Regulation of Glycinergic Transmission Selectively Contributes to Dynamic Mechanical Allodynia in a Mouse Model of Spared Nerve Injury [Shi Y Neurosci Bull, 2018, 10.1007/s12264-018-0285-8] PubMed: 30203408

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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.