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Sorafenib tosylate

Catalog No. T0093 CAS 475207-59-1

Synonyms: Bay 43-9006

Sorafenib tosylate (Bay 43-9006) is a potent multikinase inhibitor (IC50s: 6/20/22 nM for Raf-1/VEGFR-3/B-Raf).

All products from TargetMol are for Research Use Only. Not for Human or Veterinary or Therapeutic Use.

Sorafenib tosylate, CAS 475207-59-1

Pack Size	Availability	Price/USD
50 mg	In stock	$ 38.00
100 mg	In stock	$ 53.00
200 mg	In stock	$ 61.00
500 mg	In stock	$ 67.00
1 mL * 10 mM (in DMSO)	In stock	$ 57.00

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Purity: 99.81%

Purity: 99.2%

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Description	Sorafenib tosylate (Bay 43-9006) is a potent multikinase inhibitor (IC50s: 6/20/22 nM for Raf-1/VEGFR-3/B-Raf).
Targets&IC50	c-Kit:68 nM (cell free), PDGFRβ:57 nM (cell free), B-Raf V599E:38 nM (cell free), Raf-1:6 nM (cell free0, B-Raf:22 nM (cell free), VEGFR3:20 nM (cell free)
In vitro	Besides Raf-1, Sorafenib also inhibits VEGFR-3 (IC50: 20 nM), BRAF wt (IC50: 22 nM), B-RAF V599E (IC50: 38 nM), VEGFR-2 (IC50: 90 nM), PDGFR-β (IC50: 57 nM), c-KIT (IC50: 68 nM), and Flt3 (IC50: 58 nM) in biochemical assays [1]. Sorafenib-induced phosphorylation of c-Met, p70S6K and 4EBP1 is significantly reduced when 10-0505 cells are co-treated with anti-human anti-HGF antibody, suggesting that treatment with Sorafenib leads to increased HGF secretion and activation of c-Met and mTOR targets [2].
In vivo	Sorafenib Tosylate, administered orally at doses of 10, 30, 50, and 100 mg/kg, dose-dependently inhibits the growth of 06-0606 and 10-0505 xenograft tumors, with significant efficacy (P<0.01). Particularly, in mice, Sorafenib at 50/100 mg/kg reduces the mass of 06-0606 tumors to about 13% and 5% of untreated controls, respectively. A 50 mg dose significantly curtails tumor expansion in the 5-1318, 26-1004, and 10-0505 lines (P<0.01). With this dose, the T/C ratio—an indicator of treatment effectiveness comparing the median weights of Sorafenib-treated and control tumors—significantly declines in these xenograft models, showcasing Sorafenib's potent anti-tumor activity. Furthermore, Sorafenib improves survival rates and markedly reduces the liver index (a measure of liver enlargement) in a model of liver damage induced by Diethylnitrosamine (DENA), demonstrating enhanced survival and liver condition in treated groups compared to both DENA-exposed and normal controls.
Kinase Assay	Recombinant baculoviruses expressing Raf-1 (residues 305–648) and B-Raf (residues 409–765) are purified as fusion proteins. Full-length human MEK-1 is generated by PCR and purified as a fusion protein from Escherichia coli lysates. Sorafenib tosylate is added to a mixture of Raf-1 (80 ng), or B-Raf (80 ng) with MEK-1 (1 μg) in assay buffer [20 mM Tris (pH 8.2), 100 mM NaCl, 5 mM MgCl2, and 0.15% β-mercaptoethanol] at a final concentration of 1% DMSO. The Raf kinase assay (final volume of 50 μL) is initiated by adding 25 μL of 10 μM γ[33P]ATP (400 Ci/mol) and incubated at 32 °C for 25 minutes. Phosphorylated MEK-1 is harvested by filtration onto a phosphocellulose mat, and 1% phosphoric acid is used to wash away unbound radioactivity. After drying by microwave heating, a β-plate counter is used to quantify filter-bound radioactivity. Human VEGFR2 (KDR) kinase domain is expressed and purified from Sf9 lysates. Time-resolved fluorescence energy transfer assays for VEGFR2 are performed in 96-well opaque plates in the time-resolved fluorescence energy transfer format. Final reaction conditions are as follows: 1 to 10 μM ATP, 25 nM poly GT-biotin, 2 nM Europium-labeled phospho (p)-Tyr antibody (PY20), 10 nM APC, 1 to 7 nM cytoplasmic kinase domain in final concentrations of 1% DMSO, 50 mM HEPES (pH 7.5), 10 mM MgCl2, 0.1 mM EDTA, 0.015% Brij-35, 0.1 mg/mL BSA, and 0.1% β-mercaptoethanol. Reaction volumes are 100 μL and are initiated by the addition of enzyme. Plates are read at both 615 and 665 nM on a Perkin-Elmer VictorV Multilabel counter at ~1.5 to 2.0 hours after reaction initiation. Signal is calculated as a ratio: (665 nm/615 nM) × 10,000 for each well. For IC50 generation, Sorafenib tosylate is added before the enzyme initiation. A 50-fold stock plate is made with Sorafenib tosylate serially diluted 1:3 in a 50% DMSO/50% distilled water solution. Final Sorafenib tosylate concentrations range from 10 μM to 4.56 nM in 1% DMSO.
Cell Research	Tumor cell lines were plated at 2 × 105 cells per well in 12-well tissue culture plates in DMEM growth media (10% heat-inactivated FCS) overnight. Cells were washed once with serum-free media and incubated in DMEM supplemented with 0.1% fatty acid-free BSA containing various concentrations of BAY 43-9006 in 0.1% DMSO for 120 minutes to measure changes in basal pMEK 1/2, pERK 1/2, or pPKB. Cells were washed with cold PBS (PBS containing 0.1 mmol/L vanadate) and lysed in a 1% (v/v) Triton X-100 solution containing protease inhibitors. Lysates were clarified by centrifugation, subjected to SDS-PAGE, transferred to nitrocellulose membranes, blocked in TBS-BSA, and probed with anti-pMEK 1/2 (Ser217/Ser221; 1:1000), anti-MEK 1/2, anti-pERK 1/2 (Thr202/Tyr204; 1:1000), anti-ERK 1/2, anti-pPKB (Ser473; 1:1000), or anti-PKB primary antibodies. Blots were developed with horseradish peroxidase (HRP)-conjugated secondary antibodies and developed with Amersham ECL reagent on Amersham Hyperfilm [1].
Animal Research	Female NCr-nu/nu mice (Taconic Farms, Germantown, NY) were used for all studies. Three to five million cells were injected s.c. into the right flank of each mouse. DLD-1 tumors were established and maintained as a serial in vivo passage of s.c. fragments (3 × 3 mm) implanted in the flank using a 12-gauge trocar. A new generation of the passage was initiated every three weeks, and studies were conducted between generations 3 and 12 of this line. Treatment was initiated when tumors in all mice in each experiment ranged in size from 75 to 144 mg for antitumor efficacy studies and from 100 to 250 mg for studies of microvessel density and ERK phosphorylation. All treatment was administered orally once daily for the duration indicated in each experiment.

Synonyms	Bay 43-9006
Molecular Weight	637.03
Formula	C21H16ClF3N4O3·C7H8O3S
CAS No.	475207-59-1

Storage

Powder: -20°C for 3 years | In solvent: -80°C for 1 year

Solubility Information

DMSO: 50 mg/mL (78.49 mM)

Ethanol: < 1 mg/mL (insoluble or slightly soluble)

H2O: < 1 mg/mL (insoluble or slightly soluble)

References and Literature

1. Wilhelm SM, et al. BAY 43-9006 exhibits broad spectrum oral antitumor activity and targets the RAF/MEK/ERK pathway and receptor tyrosine kinases involved in tumor progression and angiogenesis. Cancer Res. 2004 Oct 1;64(19):7099-109. 2. Huynh H, et al. Sorafenib and rapamycin induce growth suppression in mouse models of hepatocellular carcinoma. J Cell Mol Med. 2009 Aug;13(8B):2673-83. 3. El-Ashmawy NE, et al. Sorafenib effect on liver neoplastic changes in rats: more than a kinase inhibitor. Clin Exp Med. 2016 Apr 16.

Citations

1. Gao X, Jiang P, Wei X, et al.Novel fusion protein PK5-RL-Gal-3C inhibits hepatocellular carcinoma via anti-angiogenesis and cytotoxicity.BMC cancer.2023, 23(1): 1-16.

Related compound libraries

This product is contained In the following compound libraries：

Tyrosine Kinase Inhibitor Library Drug Repurposing Compound Library EMA Approved Drug Library Anti-Cancer Clinical Compound Library Anti-Cancer Active Compound Library Anti-Cancer Approved Drug Library Anti-Cancer Drug Library Inhibitor Library Cytokine Inhibitor Library Anti-Prostate Cancer Compound Library

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Keywords

Sorafenib tosylate 475207-59-1 Angiogenesis Apoptosis Autophagy MAPK Tyrosine Kinase/Adaptors FLT Ferroptosis VEGFR Raf PDGFR c-Kit inhibit CD135 Sorafenib FLT3 Raf kinases Sorafenib Tosylate Cluster of differentiation antigen 135 Inhibitor Vascular endothelial growth factor receptor Bay 43-9006 Fms like tyrosine kinase 3 inhibitor

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