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RAF709

Cat. No. M8886
RAF709 Structure
Size Price Availability Quantity
10mg USD 600 In stock
50mg USD 1800 In stock
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Quality Control
  • Current batch:
  • Purity >98%
  • COA
  • MSDS
Biological Activity

RAF709 is a potent inhibitor of B/C RAF kinase with almost equivalent IC50 values of 0.4 nM for B-RAF and C-RAF.

In cellular assays, the dose−response of pMEK and pERK are measured in Calu-6 cells with EC50 of 0.02 and 0.1 μM with minimal paradoxical activation and inhibition of proliferation with EC50 of 0.95 μM. RAF709 stabilizes BRAF−CRAF dimers with an EC50 of 0.8 μM. Of the 456 kinases tested, RAF709 shows a high level of selectivity, demonstrating greater than 99% on-target binding to BRAF, BRAFV600E, and CRAF at 1 μM and very few off-targets with DDR1 (>99%), DDR2 (86%), FRK (92%), and PDGFRb (96%), the only kinases with binding >80% at 1 μM.

In vivo: In pharmacokinetic experiments, RAF709 has moderate clearance in mouse (35 mL/min/kg) and dog (14 mL/min/kg) and high clearance in rat (50 mL/min/kg). Cmax in mouse (1 μM), dog (0.5 μM), and rat (0.5 μM) reach pharmacologically active concentrations, and acceptable oral availability is observed in mouse (68%), rat (24%), and dog (48%). In the Calu-6 xenograft nude mouse model, treatment with RAF709 results in dose-dependent antitumor activity with 10 mg/kg being subefficacious (%T/C = 92%), 30 mg/kg resulted in measurable antitumor activity (% T/C = 46%), and 200 mg/kg resulted in mean tumor regression of 92%, while the same high dose is not efficacious in the PC3, KRAS WT mode.

Protocol
Cell Experiment
Cell lines HCT116 cells
Preparation method HCT116 cells are treated with DMSO or RAF709 at indicated concentrations for 1 hour; 1 mmol/L dabrafenib treatment is included for comparison. BRAF/CRAF dimerization is assessed by immunoprecipitating BRAF or CRAF, followed by Western blot analysis of BRAF and CRAF. Levels of pMEK and pERK in whole-cell lysates (WCL) are determined by Western blot analysis. GAPDH level is included as a loading control.
Concentrations 0.1, 1, 10 μM
Incubation time 1 hour
Animal Experiment
Animal models Calu-6 model (tumor bearing mice)
Formulation 20% Captisol
Dosages 10, 30, or 200 mg/kg
Administration oral administration
Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Chemical Information
Molecular Weight 542.55
Formula C28H29F3N4O4
CAS Number 1628838-42-5
Purity >98%
Solubility DMSO 100 mg/mL
Ethanol 100 mg/mL
Storage at -20°C
References

Antitumor Properties of RAF709, a Highly Selective and Potent Inhibitor of RAF Kinase Dimers, in Tumors Driven by Mutant RAS or BRAF.
Shao W, et al. Cancer Res. 2018 Mar 15;78(6):1537-1548. PMID: 29343524.

Design and Discovery of N-(2-Methyl-5'-morpholino-6'-((tetrahydro-2H-pyran-4-yl)oxy)-[3,3'-bipyridin]-5-yl)-3-(trifluoromethyl)benzamide (RAF709): A Potent, Selective, and Efficacious RAF Inhibitor Targeting RAS Mutant Cancers.
Nishiguchi GA, et al. J Med Chem. 2017 Jun 22;60(12):4869-4881. PMID: 28557458.

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  Catalog
Abmole Inhibitor Catalog 2017




Keywords: RAF709 supplier, Raf, inhibitors

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