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JAK3-IN-14

Cat No.:V53315 Purity: ≥98%
JAK3-IN-14 (compound 1) is a potent JAK3 inhibitor (antagonist) with IC50s of 38 nM and 600 nM for JAK3 and JAK2, respectively.
JAK3-IN-14
JAK3-IN-14 Chemical Structure CAS No.: 454234-24-3
Product category: JAK
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
5mg
10mg
Other Sizes
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Product Description
JAK3-IN-14 (compound 1) is a potent JAK3 inhibitor (antagonist) with IC50s of 38 nM and 600 nM for JAK3 and JAK2, respectively. JAK3-IN-14 inhibits IL-4- and IL-3-induced TF-1 cell proliferation/growth with IC50s of 600 and 500 nM, respectively.
JAK3-IN-14 (compound 1) is a potent inhibitor of Janus kinase 3 (JAK3) with an IC50 of 38 nM. It also inhibits JAK2 with an IC50 of 600 nM. JAK3-IN-14 inhibits IL-4- and IL-3-induced TF-1 cell proliferation with IC50 values of 600 and 500 nM, respectively. The compound has the molecular formula C18H13N3O and a molecular weight of 287.32.
Biological Activity I Assay Protocols (From Reference)
Targets
JAK3 38 nM (IC50) JAK2 600 nM (IC50)
JAK3-IN-14 targets JAK3, a member of the Janus kinase family of non-receptor tyrosine kinases that plays a critical role in cytokine signaling through the common gamma chain. JAK3 is primarily expressed in hematopoietic cells and is involved in signaling downstream of IL-2, IL-4, IL-7, IL-9, IL-15, and IL-21 receptors. The compound also inhibits JAK2 with lower potency.
ln Vitro
JAK3-IN-14 demonstrates potent in vitro inhibition of JAK3 with an IC50 of 38 nM. It inhibits IL-4- and IL-3-induced TF-1 cell proliferation with IC50 values of 600 and 500 nM, respectively. The compound's selectivity for JAK3 over JAK2 (approximately 16-fold) makes it a valuable tool for studying JAK3-specific signaling pathways.
ln Vivo
In vivo activity of JAK3-IN-14 has not been extensively documented. Its potent in vitro inhibition of JAK3 and effects on cytokine-induced cell proliferation suggest potential for in vivo efficacy in models of immune-mediated diseases and cancer. Further in vivo studies are needed to evaluate its pharmacokinetic properties, efficacy, and safety.
Enzyme Assay
In vitro enzyme assays for JAK3-IN-14 involve measuring its inhibition of JAK3 kinase activity. The assay typically uses purified recombinant JAK3 enzyme and peptide substrates, with kinase activity measured by detecting phosphorylation using radioactive ATP or fluorescence-based methods. IC50 values are determined from dose-response curves.
Cell Assay
In vitro cellular assays for JAK3-IN-14 involve treating TF-1 cells or other cytokine-dependent cell lines with varying concentrations of the compound in the presence of IL-3 or IL-4. Cell proliferation is assessed using MTT or other assays. JAK3 inhibition is confirmed by measuring STAT5 phosphorylation using Western blotting or flow cytometry.
Animal Protocol
In vivo animal experiments for JAK3-IN-14 are not extensively documented. If used in animal models, typical protocols would involve administering the compound to models of immune-mediated diseases or cancer and evaluating efficacy by measuring disease progression, immune cell activation, or tumor growth.
ADME/Pharmacokinetics
Pharmacokinetic data for JAK3-IN-14 are limited. The compound has a molecular weight of 287.32 and a molecular formula of C18H13N3O. Powder should be stored at -20°C for up to 3 years and at 4°C for up to 2 years; solutions at -80°C for up to 6 months and at -20°C for up to 1 month. Its ADME properties have not been characterized.
Toxicity/Toxicokinetics
Toxicological data for JAK3-IN-14 are limited. As a research compound, comprehensive toxicological studies have not been reported. The compound is intended for research use only and is not for human therapeutic application. Standard laboratory safety precautions should be followed when handling this compound.
References

[1]. Development of pyrimidine-based inhibitors of Janus tyrosine kinase 3. Bioorg Med Chem Lett. 2006 Nov 1;16(21):5633-8.

Additional Infomation
5-(3-pyridyl)-3-(1H-pyrrolo-2-ylmethylene)-1H-indole-2-one is a member of the indole class of compounds.
JAK3-IN-14 (CAS#: 454234-24-3) has the molecular formula C18H13N3O and a molecular weight of 287.32. It is a potent JAK3 inhibitor with an IC50 of 38 nM and also inhibits JAK2 with an IC50 of 600 nM. The compound inhibits cytokine-induced cell proliferation. It is for research use only.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C18H13N3O
Molecular Weight
287.32
Exact Mass
287.106
CAS #
454234-24-3
PubChem CID
9947841
Appearance
Yellow to orange solid powder
LogP
3.707
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
2
Heavy Atom Count
22
Complexity
461
Defined Atom Stereocenter Count
0
SMILES
C1=CC(=CN=C1)C2=CC\3=C(C=C2)NC(=O)/C3=C\C4=CC=CN4
InChi Key
IQNTXIMXKCURDC-YBEGLDIGSA-N
InChi Code
InChI=1S/C18H13N3O/c22-18-16(10-14-4-2-8-20-14)15-9-12(5-6-17(15)21-18)13-3-1-7-19-11-13/h1-11,20H,(H,21,22)/b16-10-
Chemical Name
(3Z)-5-pyridin-3-yl-3-(1H-pyrrol-2-ylmethylidene)-1H-indol-2-one
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

Note: This product requires protection from light (avoid light exposure) during transportation and storage.
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 (435.05 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 3.4804 mL 17.4022 mL 34.8044 mL
5 mM 0.6961 mL 3.4804 mL 6.9609 mL
10 mM 0.3480 mL 1.7402 mL 3.4804 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?
  • 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)
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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
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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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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  • 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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