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KG-5

Alias: KG5; KG 5; KG-5
Cat No.:V16808 Purity: ≥98%
KG5 is an orally bioactive dual allosteric inhibitor of PDGFRβ and B-Raf.
KG-5
KG-5 Chemical Structure CAS No.: 877874-85-6
Product category: New1
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
KG5 is an orally bioactive dual allosteric inhibitor of PDGFRβ and B-Raf. KG5 also inhibits Flt3, KIT and c-Raf and has anti-cancer and anti-angiogenic activities.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
KG5 (compound 6) has an EC50 value of 0.59 μM for vascular smooth muscle cells (VSMC) and 0.54 μM for endothelial cells, respectively, which means that it reduces their viability [1]. Compound 6 does not impact S259, but it specifically prevents S338 phosphorylation[1]. With Kd of 300 and 520 nM, respectively, and Flt3 and KIT of 52 and 170 nM, respectively, KG5 (compound 6) exclusively inhibits PDGFRα and β [1]. Compound 6 (KG5; 5 μM) prevents bFGF- or VEGF-stimulated endothelial cells from phosphorylating MEK and ERK [1].
ln Vivo
In an orthotopic renal cell carcinoma model, KG5 (Compound 6; 100 mg/kg; oral; daily; for 26 days) therapy inhibits tumor growth [1]. Comparing KG5 (Compound 6; 50 mg/kg; intraperitoneal; twice daily) therapy to vehicle controls (mouse injection of Matrigel containing bFGF) revealed full inhibition of angiogenesis. The area under the concentration-time curve (AUC0–12h) was 14.7 μg·h/mL, T1/2 was 11.5 h, and Cmax was 3.6 μg/mL according to pharmacokinetic studies of the dosage and formulation utilized for KG5[1]. In zebrafish development, KG5 (Compound 6; 1 μM) interferes with the last stages of angiogenesis [1].
Animal Protocol
Animal/Disease Models: Male Nu/nu (nude) mice were injected with SN12C-RFP cells [1]
Doses: 100 mg/kg
Route of Administration: Oral; daily; continued for 26 days
Experimental Results: Prevented tumor growth in the orthotopic renal cell carcinoma model.
References

[1]. Disruption of angiogenesis and tumor growth with an orally active drug that stabilizes the inactive state of PDGFRbeta/B-RAF. Proc Natl Acad Sci U S A. 2010 Mar 2;107(9):4299-304.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C20H16F3N7OS
Molecular Weight
459.45
Exact Mass
459.109
Elemental Analysis
C, 52.28; H, 3.51; F, 12.41; N, 21.34; O, 3.48; S, 6.98
CAS #
877874-85-6
PubChem CID
53328059
Appearance
White to off-white solid powder
LogP
5.123
Hydrogen Bond Donor Count
3
Hydrogen Bond Acceptor Count
11
Rotatable Bond Count
6
Heavy Atom Count
32
Complexity
596
Defined Atom Stereocenter Count
0
SMILES
FC(C1C=C(NC2NC(C3C=CC(OC4C=C(N)N=C(SC)N=4)=CC=3)=NN=2)C=CC=1)(F)F
InChi Key
CMYHZFCJPORPHY-UHFFFAOYSA-N
InChi Code
InChI=1S/C20H16F3N7OS/c1-32-19-26-15(24)10-16(27-19)31-14-7-5-11(6-8-14)17-28-18(30-29-17)25-13-4-2-3-12(9-13)20(21,22)23/h2-10H,1H3,(H2,24,26,27)(H2,25,28,29,30)
Chemical Name
2-methylsulfanyl-6-[4-[3-[3-(trifluoromethyl)anilino]-1H-1,2,4-triazol-5-yl]phenoxy]pyrimidin-4-amine
Synonyms
KG5; KG 5; KG-5
HS Tariff Code
2934.99.03.00
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 : ~100 mg/mL (~217.65 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (5.44 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (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 900 μL of corn oil and mix evenly.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.1765 mL 10.8826 mL 21.7652 mL
5 mM 0.4353 mL 2.1765 mL 4.3530 mL
10 mM 0.2177 mL 1.0883 mL 2.1765 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
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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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.

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