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VU0810464

Alias: VU 0810464; VU-0810464
Cat No.:V39951 Purity: ≥98%
VU0810464 is a potent, selective activator of non-urea protein-gated inwardly rectifying potassium channels (GIRK, Kir3).
VU0810464
VU0810464 Chemical Structure CAS No.: 2126040-21-7
Product category: New2
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
5mg
10mg
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Product Description
VU0810464 is a potent, selective activator of non-urea protein-gated inwardly rectifying potassium channels (GIRK, Kir3). VU0810464 has nanomolar potency against neuronal GIRK1/2 (EC50=165 nM) and GIRK1/4 (EC50=720 nM) neural channels and is brain-penetrating.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
In SAN and HPC cells, VU0810464 (0, 0.1, 0.3, 1, 3, 10, 30 μM) generated concentration-dependent current response curves. Furthermore, compared to the control SAN unit, VU0810464 had nine times the potency to activate Kir3 channels in neurons[2].
ln Vivo
Male C57BL/6J mice treated with VU0810464 (ip; 30 mg/kg, 10 mg/kg, 30 mg/kg; 30 min pretreatment) showed a dose-dependent decrease in the SIH response. VU0810464 (10 mg/kg) decreased the SIH response in wild-type mice but showed no impact in Kcnj3−/− animals, suggesting that it may work through Kir3 channel activation [2]. Compared to ML297 (Kp,uu = 0.32) VU0810464 (ip; 30 mg/kg; 15, 30, 45, or 60 minutes postinjection) demonstrated good brain distribution (Kp,uu = 0.83). According to PK tests, VU0810464 is rapidly eliminated, having a 20-minute half-life in the brain and plasma [2].
Animal Protocol
Animal/Disease Models: Male C57BL/6J mice, Kcnj3−/− female and male C57BL/6J mice
Doses: 10mg/kg; 30mg/kg
Route of Administration: intraperitoneal (ip) injection
Experimental Results: Reduce stress-induced hyperthermia (SIH), This is a physiological test of anxiolytic efficacy in wild-type mice but has no effect on Kcnj3 (Girk1) −/− mice.
References

[1]. VU0810464, a non-urea G protein-gated inwardly rectifying K+ (Kir 3/GIRK) channel activator, exhibits enhanced selectivity for neuronal Kir 3 channels and reduces stress-induced hyperthermia in mice.Br J Pharmacol. 2019 Jul;176(13):2238-2249.

[2]. Discovery and Characterization of 1H-Pyrazol-5-yl-2-phenylacetamides as Novel, Non-Urea-Containing GIRK1/2 Potassium Channel Activators.ACS Chem Neurosci. 2017 Sep 20;8(9):1873-1879.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C18H21CLFN3O
Molecular Weight
349.830246686935
Exact Mass
349.135
CAS #
2126040-21-7
PubChem CID
146014436
Appearance
White to off-white solid powder
LogP
4.2
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
3
Rotatable Bond Count
4
Heavy Atom Count
24
Complexity
433
Defined Atom Stereocenter Count
0
SMILES
ClC1=C(C=CC(=C1)CC(NC1=CC(C)=NN1C1CCCCC1)=O)F
InChi Key
HNJJARDABGKWSO-UHFFFAOYSA-N
InChi Code
InChI=1S/C18H21ClFN3O/c1-12-9-17(23(22-12)14-5-3-2-4-6-14)21-18(24)11-13-7-8-16(20)15(19)10-13/h7-10,14H,2-6,11H2,1H3,(H,21,24)
Chemical Name
2-(3-chloro-4-fluorophenyl)-N-(2-cyclohexyl-5-methylpyrazol-3-yl)acetamide
Synonyms
VU 0810464; VU-0810464
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : ≥ 250 mg/mL (~714.63 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (5.95 mM) (saturation unknown) in 10% DMSO + 40% PEG300 +5% Tween-80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 + to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.8585 mL 14.2927 mL 28.5853 mL
5 mM 0.5717 mL 2.8585 mL 5.7171 mL
10 mM 0.2859 mL 1.4293 mL 2.8585 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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