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GW542573X

Alias: GW-542573X; GW 542573X; GW542573X
Cat No.:V21973 Purity: ≥98%
GW542573X is a potent and specific activator of Ca2+-activated K+2 (SK2) channels.
GW542573X
GW542573X Chemical Structure CAS No.: 660846-41-3
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
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Product Description
GW542573X is a potent and specific activator of Ca2+-activated K+2 (SK2) channels. GW542573X induces a left shift in the Ca2+ response curve of hSK1 from the EC50 (Ca2+) value of 410 nM to 240 nM.
GW542573X is a potent and selective activator of small-conductance calcium-activated potassium (KCa2) channels, specifically the KCa2.1 (SK1) subtype. It induces a left shift in the Ca2+ response curve of hSK1 from the EC50 (Ca2+) value of 410 nM to 240 nM. Its molecular formula is C19H28N2O5 with a molecular weight of 364.44.
Biological Activity I Assay Protocols (From Reference)
Targets
Small-conductance calcium-activated potassium (KCa2) channels, specifically KCa2.1 (SK1). As an activator, GW542573X enhances the activity of these channels, which are involved in neuronal excitability and other physiological processes.
ln Vitro
GW542573X activates KCa2.1 channels with an EC50 of 8.2 µM in HEK293 cells expressing hKCa2.1. It induces a left shift in the Ca2+ response curve of hSK1 from an EC50 (Ca2+) value of 410 nM to 240 nM, indicating that it potentiates the channel's sensitivity to calcium.
ln Vivo
Specific in vivo activity data for GW542573X are not detailed in the available literature. As a KCa2 channel activator, it could have effects on neuronal excitability and could be relevant for neurological disorders. However, specific animal model studies are not described.
Enzyme Assay
The in vitro assay for KCa2 channel activation involves measuring the activity of KCa2 channels in the presence of GW542573X. This can be done using patch-clamp electrophysiology in cells expressing KCa2.1. The compound is applied at various concentrations, and the enhancement of channel current is measured. The EC50 is determined from the dose-response curve.
Cell Assay
Specific in vitro cell-based assay protocols for GW542573X are not detailed. Its activity can be assessed in HEK293 cells expressing hKCa2.1 by measuring the channel current using patch-clamp electrophysiology. This is a direct measure of its modulatory activity.
Animal Protocol
Specific in vivo animal model protocols for GW542573X are not described. To evaluate its in vivo activity, GW542573X could be administered to animal models of neurological disorders where KCa2 channels play a role. Endpoints would depend on the specific model.
ADME/Pharmacokinetics
Pharmacokinetic data for GW542573X are not reported in the available literature. As a research compound, its absorption, distribution, metabolism, and excretion (ADME) properties have not been extensively characterized.
Toxicity/Toxicokinetics
Specific toxicological data for GW542573X are not available. As a research compound, its safety profile has not been comprehensively characterized. Toxicity studies would be required to determine its safety margin.
Additional Infomation
GW542573X is a research tool for studying KCa2 channel function and for investigating the role of these channels in neuronal-related diseases. It is a first-in-class selective KCa2.1 activator and is not an approved therapeutic agent.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C19H28N2O5
Molecular Weight
364.44
Exact Mass
364.2
CAS #
660846-41-3
PubChem CID
24885053
Appearance
White to off-white solid powder
LogP
3.842
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
5
Rotatable Bond Count
7
Heavy Atom Count
26
Complexity
469
Defined Atom Stereocenter Count
0
SMILES
CC(C)(OC(N1CCC(COC(NC2=CC=CC=C2OC)=O)CC1)=O)C
InChi Key
SAXGSDIZIYFNKD-UHFFFAOYSA-N
InChi Code
InChI=1S/C19H28N2O5/c1-19(2,3)26-18(23)21-11-9-14(10-12-21)13-25-17(22)20-15-7-5-6-8-16(15)24-4/h5-8,14H,9-13H2,1-4H3,(H,20,22)
Chemical Name
tert-butyl 4-[(2-methoxyphenyl)carbamoyloxymethyl]piperidine-1-carboxylate
Synonyms
GW-542573X; GW 542573X; GW542573X
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 : ~125 mg/mL (~342.99 mM)
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.7439 mL 13.7197 mL 27.4394 mL
5 mM 0.5488 mL 2.7439 mL 5.4879 mL
10 mM 0.2744 mL 1.3720 mL 2.7439 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:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
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  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
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?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • 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:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • 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
Instructions to calculate molar mass (molecular weight) of a chemical compound:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • The answer appears in the Volume (to add to vial) box
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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