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Donafenib (Sorafenib D3) Raf inhibitor

Cat.No.S9621

Donafenib (Sorafenib D3, Bay 43-9006 D3, CM-4307) is the deuterium labeled Sorafenib. Sorafenib is a multikinase inhibitor IC50s of 6 nM, 15 nM, 20 nM and 22 nM for Raf-1, mVEGFR-2, mVEGFR-3 and B-RAF, respectively.
Donafenib (Sorafenib D3) Raf inhibitor Chemical Structure

Chemical Structure

Molecular Weight: 467.84

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Quality Control

Batch: S962101 DMSO]94 mg/mL]false]Ethanol]6 mg/mL]false]Water]Insoluble]false Purity: 99.93%
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99.93

Solubility

In vitro
Batch:

DMSO : 94 mg/mL (200.92 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Ethanol : 6 mg/mL

Water : Insoluble

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In vivo
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Chemical Information, Storage & Stability

Molecular Weight 467.84 Formula

C21H13D3ClF3N4O3

Storage (From the date of receipt) 3 years -20°C powder
CAS No. 1130115-44-4 -- Storage of Stock Solutions

Synonyms Bay 43-9006 D3, CM-4307 Smiles CNC(=O)C1=NC=CC(=C1)OC2=CC=C(C=C2)NC(=O)NC3=CC(=C(C=C3)Cl)C(F)(F)F

Mechanism of Action

Targets/IC50/Ki
Raf-1
(Cell-free assay)
6 nM
mVEGFR-2
(Cell-free assay)
15 nM
mVEGFR-3
(Cell-free assay)
20 nM
B-Raf
(Cell-free assay)
22 nM
In vitro

BAY 43-9006 suppresses both wild-type and V599E mutant BRAF activity in vitro. In addition, BAY 43-9006 demonstrates significant activity against several receptor tyrosine kinases involved in neovascularization and tumor progression, including vascular endothelial growth factor receptor (VEGFR)-2, VEGFR-3, platelet-derived growth factor receptor β, Flt-3, and c-KIT. In cellular mechanistic assays, BAY 43-9006 demonstrates inhibition of the mitogen-activated protein kinase pathway in colon, pancreatic, and breast tumor cell lines expressing mutant KRAS or wild-type or mutant BRAF, whereas non–small-cell lung cancer cell lines expressing mutant KRAS are insensitive to inhibition of the mitogen-activated protein kinase pathway by BAY 43-9006. Potent inhibition of VEGFR-2, platelet-derived growth factor receptor β, and VEGFR-3 cellular receptor autophosphorylation is also observed for BAY 43-9006.

In vivo

Once daily oral dosing of BAY 43-9006 demonstrates broad-spectrum antitumor activity in colon, breast, and non–small-cell lung cancer xenograft models. Immunohistochemistry demonstrates a close association between inhibition of tumor growth and inhibition of the extracellular signal-regulated kinases (ERKs) 1/2 phosphorylation in two of three xenograft models examined, consistent with inhibition of the RAF/MEK/ERK pathway in some but not all models. Additional analyses of microvessel density and microvessel area in the same tumor sections using antimurine CD31 antibodies demonstrates significant inhibition of neovascularization in all three of the xenograft models.

References

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2024-05-22)

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT04612712 Recruiting
Advanced Gastrointestinal Tumors
Suzhou Zelgen Biopharmaceuticals Co.Ltd|Jiangsu Alphamab Biopharmaceuticals Co. Ltd
January 19 2021 Phase 1|Phase 2
NCT04816123 Completed
Healthy Male Adult
Suzhou Zelgen Biopharmaceuticals Co.Ltd
October 9 2018 Phase 1

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