IM-12

Alias: IM-12; IM 12; IM12
Cat No.:V0226 Purity: ≥98%
IM-12, anindolylmaleimide analog, is a novel, potent, cell-permeable and selective inhibitor of GSK-3β (glycogen synthase kinase-3β) withpotential neuroprotective effects.
IM-12 Chemical Structure CAS No.: 1129669-05-1
Product category: GSK-3
This product is for research use only, not for human use. We do not sell to patients.
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25mg
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description

IM-12, an indolylmaleimide analog, is a novel, potent, cell-permeable and selective inhibitor of GSK-3β (glycogen synthase kinase-3β) with potential neuroprotective effects. With an IC50 of 53 nM, it inhibits GSK-3β. An increase in neuronal cells was observed after IM-12 treatment of human neural progenitor cells. By inhibiting the vital enzyme GSK-3beta, IM-12 works through the traditional Wnt signaling pathway. The Wnt pathway participates in cellular functions related to either proliferation or differentiation.

Biological Activity I Assay Protocols (From Reference)
Targets
GSK-3β (IC50 = 53 nM)
ln Vitro
IM-12 inhibits GSK-3β in ReNcell VM cells, with I50 of 3.8 μM. IM-12 (3 μM) enhances the β-catenin amount, with no further effect at lower or higher concentration. The growth of ReNCell VM cells is also inhibited by IM-12 (3 μM. IM-12 boosts ReNcell VM's TCF-activity[1].
ln Vivo
NA
Enzyme Assay
Protease and phosphatase inhibitors are added after the cells have been lysed in RIPA buffer, and the mixture is centrifuged at 15,000 rpm for 5 min. GSK-3β is immunoprecipitated using a specific mouse monoclonal anti GSK-3β [G8] antibody at a concentration of 5 g/sample for two hours at 4°C. Protein A/G-Plus agarose beads (10 L beads per sample) are used to precipitate the bound protein. A reaction mixture containing final concentrations of 4 mM MOPS pH 7.2, 0.4 mM EDTA, 1 mM EGTA, 2.5 mM β-glycerophosphate, 4 mM MgCl2, 40 μM BSA, and 0.05 mM DTT is used to measure the GSK-3β kinase activity. The pGS-2 peptide substrate (10 g/sample) is employed[1].
Cell Assay
A cell suspension of 50–100 μL is examined using CASY technology and the appropriate program to determine the number of viable cells. ReNcell VM cells are sown at a specific cell number and multiplied for 24 hours. Then the medium is changed to a proliferation medium with the additional ingredients added at the indicated concentrations. Every twenty-four hours, the cell number is determined. The media is changed every 24 hours, but cells are exposed to the added drugs for the duration of the experiment[1].
Animal Protocol
NA;
References

[1]. Novel indolylmaleimide acts as GSK-3beta inhibitor in human neural progenitor cells. Bioorg Med Chem. 2010 Sep 15;18(18):6785-95.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C22H20FN3O2
Molecular Weight
377.4115
Exact Mass
377.4194
Elemental Analysis
C, 70.01; H, 5.34; F, 5.03; N, 11.13; O, 8.48
CAS #
1129669-05-1
Related CAS #
1129669-05-1
Appearance
Solid powder
SMILES
CC1=C(C2=CC=CC=C2N1)C3=C(C(=O)N(C3=O)C)NCCC4=CC=C(C=C4)F
InChi Key
ZKJAZFUFPPSFCO-UHFFFAOYSA-N
InChi Code
InChI=1S/C22H20FN3O2/c1-13-18(16-5-3-4-6-17(16)25-13)19-20(22(28)26(2)21(19)27)24-12-11-14-7-9-15(23)10-8-14/h3-10,24-25H,11-12H2,1-2H3
Chemical Name
3-[2-(4-fluorophenyl)ethylamino]-1-methyl-4-(2-methyl-1H-indol-3-yl)pyrrole-2,5-dione
Synonyms
IM-12; IM 12; IM12
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: ~75 mg/mL (~198.7 mM)
Water: <1 mg/mL
Ethanol: ~10 mg/mL (~26.5 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (6.62 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 2.6496 mL 13.2482 mL 26.4964 mL
5 mM 0.5299 mL 2.6496 mL 5.2993 mL
10 mM 0.2650 mL 1.3248 mL 2.6496 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
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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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

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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.

Clinical Trial Information
NCT Number Recruitment interventions Conditions Sponsor/Collaborators Start Date Phases
NCT02891395 Completed Drug: Imatinib Mesylate and
Nilotinib
Graft Versus Host Disease University Hospital, Lille December 24, 2012 Phase 2
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