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VU0134992 hydrochloride

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Catalog No. T13316Cas No. 1052515-91-9

VU0134992 hydrochloride is the first subtype-preferring, orally active and selective blocker of the Kir4.1 potassium channel pore (IC50: 0.97 μM).

VU0134992 hydrochloride

VU0134992 hydrochloride

🥰Excellent
Purity: 100%
Catalog No. T13316Cas No. 1052515-91-9
VU0134992 hydrochloride is the first subtype-preferring, orally active and selective blocker of the Kir4.1 potassium channel pore (IC50: 0.97 μM).
Pack SizePriceAvailabilityQuantity
5 mg$33In Stock
10 mg$59In Stock
25 mg$110In Stock
50 mg$187In Stock
100 mg$319In Stock
200 mg$459In Stock
1 mL x 10 mM (in DMSO)$37In Stock
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Purity:100%
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Product Introduction

Bioactivity
Description
VU0134992 hydrochloride is the first subtype-preferring, orally active and selective blocker of the Kir4.1 potassium channel pore (IC50: 0.97 μM).
In vitro
In whole-cell patch-clamp electrophysiology experiments, VU0134992 inhibits Kir4.1 with an IC50 value of 0.97 M and is 9-fold selective for homomeric Kir4.1 over Kir4.1/5.1 concatemeric channels (IC50 = 9 M) at -120 mV. In thallium (Tl+) flux assays, VU0134992 is greater than 30-fold selective for Kir4.1 over Kir1.1, Kir2.1, and Kir2.2; is weakly active toward Kir2.3, Kir6.2/SUR1, and Kir7.1; and is equally active toward Kir3.1/3.2, Kir3.1/3.4, and Kir4.2. This potency and selectivity profile is superior to Kir4.1 inhibitors amitriptyline, nortriptyline, and fluoxetine. Medicinal chemistry identified components of VU0134992 that are critical for inhibiting Kir4.1. Patch-clamp electrophysiology, molecular modeling, and site-directed mutagenesis identified pore-lining glutamate 158 and isoleucine 159 as critical residues for block of the channel.
In vivo
VU0134992 displayed a large free unbound fraction (fu) in rat plasma (fu = 0.213).Consistent with the known role of Kir4.1 in renal function, oral dosing of VU0134992 led to a dose-dependent diuresis, natriuresis, and kaliuresis in rats.Thus, VU0134992 represents the first in vivo active tool compound for probing the therapeutic potential of Kir4.1 as a novel diuretic target for the treatment of hypertension.
Animal Research
VU0134992 hydrochloride (250-300 g Male Sprague-Dawley rats;50 and 100 mg/kg) Oral gavage
Chemical Properties
Molecular Weight447.84
FormulaC20H32BrClN2O2
Cas No.1052515-91-9
SmilesCl.CC(C)c1ccc(OCC(=O)NC2CC(C)(C)NC(C)(C)C2)c(Br)c1
Relative Density.no data available
Storage & Solubility Information
StoragePowder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice.
Solubility Information
DMSO: 230 mg/mL (513.58 mM), Sonication is recommended.
Solution Preparation Table
DMSO
1mg5mg10mg50mg
1 mM2.2329 mL11.1647 mL22.3294 mL111.6470 mL
5 mM0.4466 mL2.2329 mL4.4659 mL22.3294 mL
10 mM0.2233 mL1.1165 mL2.2329 mL11.1647 mL
20 mM0.1116 mL0.5582 mL1.1165 mL5.5824 mL
50 mM0.0447 mL0.2233 mL0.4466 mL2.2329 mL
100 mM0.0223 mL0.1116 mL0.2233 mL1.1165 mL

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