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AWL-II-38.3

Cat No.:V64335 Purity: ≥98%
AWL-II-38.3 is a potent ephrin-A receptor (EphA3) kinase inhibitor (antagonist) with no significant cellular activity against Src family kinases and b-raf.
AWL-II-38.3
AWL-II-38.3 Chemical Structure CAS No.: 1135205-94-5
Product category: Others 12
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
AWL-II-38.3 is a potent ephrin-A receptor (EphA3) kinase inhibitor (antagonist) with no significant cellular activity against Src family kinases and b-raf.
AWL-II-38.3 (CAS 1135205-94-5) is a highly potent and selective inhibitor of Ephrin type-A receptor 3 (EphA3) kinase. With the molecular formula C₂₃H₁₈F₃N₅O₃ and a molecular weight of 469.42 g/mol, it exhibits potent kinase inhibitory activity against EphA3 but does not show significant cellular activity against Src family kinases or b-raf. It is used as a chemical probe to study the role of EphA3 in cellular processes.
Biological Activity I Assay Protocols (From Reference)
Targets
Ephrin-A receptor (EphA3) kinase[1][2]
AWL-II-38.3 targets Ephrin type-A receptor 3 (EphA3) kinase. The structure of AWL-II-38.3 fits into the ATP-binding and substrate-binding pockets of EphA3. It forms four direct hydrogen bonds with the ATP-binding cleft of EphA3, interacting with key residues such as Met702, Thr699, Asp764, and Glu670. By inhibiting EphA3 kinase activity, AWL-II-38.3 can modulate signaling pathways involved in cell migration, axon guidance, and angiogenesis.
ln Vitro
LIMK2 and LIMK1 ATP-binding and substrate-binding pockets are fitted by AWL-II-38.3[2].
In vitro, AWL-II-38.3 is a highly potent EphA3 inhibitor with potent kinase inhibitory activity. It does not exhibit significant cellular activity against Src family kinases or b-raf. This selectivity makes it a valuable tool for studying EphA3-specific functions.
ln Vivo
In vivo, AWL-II-38.3 can be used to study the role of EphA3 in various biological processes, including cell proliferation, differentiation, and survival. It has potential applications in cancer research, as EphA3 is overexpressed in some tumors. However, specific in vivo activity data are not detailed in the search results.
Enzyme Assay
Non-cellular assays for AWL-II-38.3 involve measuring its inhibitory activity against EphA3 kinase using recombinant EphA3 protein in an in vitro kinase assay. The assay measures the phosphorylation of a peptide substrate in the presence of ATP, and the inhibition of this activity is used to determine the IC₅₀ value. Selectivity profiling against a panel of other kinases can also be performed.
Cell Assay
Cell-based assays for AWL-II-38.3 involve studying its effects on EphA3 signaling in cells. Cells expressing EphA3 can be treated with the compound, and the phosphorylation of downstream signaling molecules can be assessed by Western blot. The effects on cell proliferation, migration, and survival can also be measured.
Animal Protocol
In vivo animal experiments with AWL-II-38.3 would typically involve administering the compound to mice or rats to study its effects in disease models. Xenograft models of cancer could be used to evaluate its anti-tumor efficacy. Pharmacokinetic and toxicity studies would also be conducted to assess its suitability for further development.
ADME/Pharmacokinetics
Pharmacokinetic data for AWL-II-38.3 have not been extensively reported. The compound is soluble in DMSO at 80 mg/mL. It can be formulated for in vivo use in 10% DMSO + 40% PEG300 + 5% Tween 80 + 45% Saline at 10 mg/mL.
Toxicity/Toxicokinetics
No specific toxicity data have been reported for AWL-II-38.3. As a research compound, it should be handled with standard laboratory safety precautions. Its safety profile has not been evaluated for human use.
References
[1]. Yongmun Choi, et al. Discovery and structural analysis of Eph receptor tyrosine kinase inhibitors. Bioorg Med Chem Lett. 2009 Aug 1;19(15):4467-70.
[2]. Efrat Mashiach-Farkash, et al. Computer-based identification of a novel LIMK1/2 inhibitor that synergizes with salirasib to destabilize the actin cytoskeleton. Oncotarget. 2012 Jun;3(6):629-39.
Additional Infomation
N-[2-methyl-5-[[[3-(4-methyl-1-imidazolyl)-5-(trifluoromethyl)phenyl]-oxymethyl]amino]phenyl]-5-isooxazolamide is one of the benzamide compounds.
AWL-II-38.3 is a research compound, not an approved drug. It is a highly potent and selective EphA3 kinase inhibitor, used as a chemical probe to study the role of EphA3 in cellular processes. The compound is not intended for human therapeutic use.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C23H18F3N5O3
Molecular Weight
469.41593503952
Exact Mass
469.136
CAS #
1135205-94-5
PubChem CID
24880028
Appearance
White to light yellow solid powder
LogP
3.8
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
8
Rotatable Bond Count
5
Heavy Atom Count
34
Complexity
739
Defined Atom Stereocenter Count
0
SMILES
CC1=C(C=C(C=C1)NC(=O)C2=CC(=CC(=C2)N3C=C(N=C3)C)C(F)(F)F)NC(=O)C4=CC=NO4
InChi Key
IYUFHBXMTTXZBE-UHFFFAOYSA-N
InChi Code
InChI=1S/C23H18F3N5O3/c1-13-3-4-17(10-19(13)30-22(33)20-5-6-28-34-20)29-21(32)15-7-16(23(24,25)26)9-18(8-15)31-11-14(2)27-12-31/h3-12H,1-2H3,(H,29,32)(H,30,33)
Chemical Name
N-[2-methyl-5-[[3-(4-methylimidazol-1-yl)-5-(trifluoromethyl)benzoyl]amino]phenyl]-1,2-oxazole-5-carboxamide
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: 66.67 mg/mL (142.03 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (5.33 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 25.0 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 2.1303 mL 10.6514 mL 21.3029 mL
5 mM 0.4261 mL 2.1303 mL 4.2606 mL
10 mM 0.2130 mL 1.0651 mL 2.1303 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.

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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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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)
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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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