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Eph inhibitor 2

Cat No.:V69448 Purity: ≥98%
Eph inhibitor 2 (Example 35) is an Eph family tyrosine kinase inhibitor (TKI).
Eph inhibitor 2
Eph inhibitor 2 Chemical Structure CAS No.: 861249-59-4
Product category: Ephrin Receptor
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5mg
10mg
50mg
Other Sizes
Official Supplier of:
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Product Description
Eph inhibitor 2 (Example 35) is an Eph family tyrosine kinase inhibitor (TKI).
Eph inhibitor 2 is an Eph family tyrosine kinase inhibitor targeting Eph receptors. Its molecular formula is C18H15N5O, and it has a molecular weight of 317.34. This compound is also known as Ehp-inhibitor-1. It is used in research to study Eph receptor signaling pathways and their role in various diseases, including cancer.
Biological Activity I Assay Protocols (From Reference)
Targets
Eph inhibitor 2 targets members of the Eph family of receptor tyrosine kinases. Eph receptors and their ephrin ligands are involved in a wide range of biological processes, including cell migration, adhesion, and angiogenesis. By inhibiting Eph receptor kinase activity, this compound blocks downstream signaling pathways that can contribute to tumor progression and other pathological conditions.
ln Vitro
In vitro, Eph inhibitor 2 has been shown to inhibit Eph family tyrosine kinase activity. While specific IC50 values are not widely published, its activity is typically assessed using kinase assays that measure the phosphorylation of a substrate in the presence of the compound. These studies confirm its potential as a tool for studying Eph receptor signaling.
ln Vivo
In vivo activity of Eph inhibitor 2 is not extensively documented. As a research compound, its efficacy is typically evaluated in animal models of diseases where Eph receptor signaling plays a role, such as cancer. By inhibiting Eph receptors, it may suppress tumor growth, angiogenesis, and metastasis. Further studies are needed to fully characterize its in vivo effects.
Enzyme Assay
Cell-free assays for Eph inhibitor 2 typically involve measuring its inhibitory activity against Eph family kinases using biochemical kinase assays. The compound's IC50 value is determined by measuring the phosphorylation of a peptide substrate in the presence of varying concentrations of the inhibitor. These assays are used to characterize the compound's potency and selectivity against Eph receptors.
Cell Assay
In vitro cellular assays are conducted to evaluate the functional activity of Eph inhibitor 2. Cancer cell lines or other cell types expressing Eph receptors are treated with the compound. Cell proliferation, migration, and invasion are measured to assess the compound's effects on Eph-mediated cellular processes. Eph receptor phosphorylation is also measured to confirm inhibition of the target kinases.
Animal Protocol
In vivo animal experiments typically involve xenograft models of cancer or other disease models where Eph receptors play a role. Animals are administered Eph inhibitor 2. Tumor growth, angiogenesis, or other disease parameters are monitored over time to assess the compound's efficacy. These studies are essential for demonstrating the in vivo activity of the compound.
ADME/Pharmacokinetics
The pharmacokinetic properties of Eph inhibitor 2 are typical of a small molecule inhibitor. Its molecular weight is 317.34. It is soluble in DMSO at 32.5 mg/mL. While detailed PK parameters are not widely published, its properties suggest it is designed to have favorable drug-like characteristics, including good permeability and metabolic stability.
Toxicity/Toxicokinetics
The toxicity profile of Eph inhibitor 2 is not extensively documented but is likely to be similar to other kinase inhibitors. Common adverse effects may include fatigue, diarrhea, and nausea. Preclinical studies would typically involve acute and chronic dosing in animal models to assess safety margins and identify potential target organ toxicities.
References

[1]. Use of pyrazolo[1,5a]pyrimidin-7-yl amine derivatives in the treatment of neurological disorders. WO2007103432A2.

Additional Infomation
Eph inhibitor 2 is a research compound targeting Eph family tyrosine kinases. It is used to study Eph receptor signaling pathways and their role in various diseases, including cancer. The compound is not approved for therapeutic use and is intended for research purposes only.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C18H15N5O
Molecular Weight
317.34
Exact Mass
317.127
CAS #
861249-59-4
PubChem CID
11594862
Appearance
Typically exists as solid at room temperature
LogP
2.1
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
5
Rotatable Bond Count
3
Heavy Atom Count
24
Complexity
422
Defined Atom Stereocenter Count
0
SMILES
COC1=CC=CC(=C1)C2=C(N3C(=C(C=N3)C4=CN=CC=C4)N=C2)N
InChi Key
KWGYGRTZRXWSAD-UHFFFAOYSA-N
InChi Code
InChI=1S/C18H15N5O/c1-24-14-6-2-4-12(8-14)15-10-21-18-16(11-22-23(18)17(15)19)13-5-3-7-20-9-13/h2-11H,19H2,1H3
Chemical Name
6-(3-methoxyphenyl)-3-pyridin-3-ylpyrazolo[1,5-a]pyrimidin-7-amine
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)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
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 3.1512 mL 15.7560 mL 31.5119 mL
5 mM 0.6302 mL 3.1512 mL 6.3024 mL
10 mM 0.3151 mL 1.5756 mL 3.1512 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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