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G5-7 939681-36-4

G5-7 939681-36-4

CAS No.: 939681-36-4

G5-7 is an orally bioactive allosteric inhibitor of JAK2 that selectively inhibits JAK2-mediated phosphorylation and act
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G5-7 is an orally bioactive allosteric inhibitor of JAK2 that selectively inhibits JAK2-mediated phosphorylation and activation of EGFR and STAT3 by binding to JAK2. G5-7 induces pericellular arrest and causes apoptosis, and has anti-angiogenic activity. G5-7 has potential usefulness in glioma research.

Physicochemical Properties


Molecular Formula C24H23NO3F2
Molecular Weight 411.44112
Exact Mass 411.165
CAS # 939681-36-4
PubChem CID 146160226
Appearance Off-white to light yellow solid powder
LogP 5.189
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 5
Rotatable Bond Count 4
Heavy Atom Count 30
Complexity 666
Defined Atom Stereocenter Count 0
SMILES

CC(OC(=O)N1C/C(=C/C2=CC=CC=C2F)/C(=O)/C(=C\C3=CC=CC=C3F)/C1)(C)C

InChi Key MCSPIRBNMDODQP-BKHHGCLFSA-N
InChi Code

InChI=1S/C24H23F2NO3/c1-24(2,3)30-23(29)27-14-18(12-16-8-4-6-10-20(16)25)22(28)19(15-27)13-17-9-5-7-11-21(17)26/h4-13H,14-15H2,1-3H3/b18-12-,19-13-
Chemical Name

tert-butyl (3Z,5Z)-3,5-bis[(2-fluorophenyl)methylidene]-4-oxopiperidine-1-carboxylate
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)

Biological Activity


ln Vitro G5-7 (0-5 μM) stops the cell cycle in the G2 phase and suppresses downstream mTOR signaling and EGFR tyrosine phosphorylation [1]. G5-7 does not prevent EGFR activation directly [1]. In both parental LN229 cells and U87MG/EGFRvIII cells, G5-7 (0-10 μM) substantially raises the amount of apoptotic markers (cleaved PARP and caspase 3) [1]. G5-7 engages in interactions with JAK2 throughout its entirety [1]. While G5-7 has no effect on EGFR Tyr1045 phosphorylation, it strongly reduces EGFR Tyr1068 phosphorylation [1]. Through mTOR, G5-7 suppresses downstream signaling from JAK [1].
ln Vivo Oral G5-7 (10 and 50 mg/kg) has strong anti-angiogenic properties and decreases VEGF secretion [1].
Cell Assay Western blot analysis[1].
Cell Types: U87MG/PTEN cells.
Tested Concentrations: 0-5μM.
Incubation Duration: 6 hrs (hours).
Experimental Results: Blocked EGFR phosphorylation and G2 phase cell cycle, inhibiting cell proliferation.
Animal Protocol Animal/Disease Models: Cells (4 × 106) in 100 μl serum-free DMEM were inoculated subcutaneously (sc) (sc) into 5- to 6weeks old female nude mice [1].
Doses: 10 and 50 mg/kg.
Route of Administration: po (oral gavage).
Experimental Results: Inhibition of angiogenesis in tumors.
References

[1]. Blockade of glioma proliferation through allosteric inhibition of JAK2. Sci Signal. 2013 Jul 9;6(283):ra55.


Solubility Data


Solubility (In Vitro) DMSO : ~83.33 mg/mL (~217.35 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 : PEG300 :Tween 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).
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 : PEG300:Tween 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).
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 2.4305 mL 12.1524 mL 24.3049 mL
5 mM 0.4861 mL 2.4305 mL 4.8610 mL
10 mM 0.2430 mL 1.2152 mL 2.4305 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.