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Catalog No. T4315   CAS 623142-96-1

Ki-20227 is a specific c-Fms tyrosine kinase(CSF1R) inhibitor (IC50: 2 nM). It also has certain inhibitory against VEGFR2(IC50: 12 nM) and c-Kit/PDGFRβ(IC50: 451/217 nM), respectively.

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Ki20227 Chemical Structure
Ki20227, CAS 623142-96-1
Pack Size Availability Price/USD Quantity
1 mg In stock $ 39.00
2 mg In stock $ 55.00
5 mg In stock $ 97.00
10 mg In stock $ 163.00
25 mg In stock $ 316.00
50 mg In stock $ 563.00
100 mg In stock $ 786.00
500 mg In stock $ 1,590.00
1 mL * 10 mM (in DMSO) In stock $ 97.00
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Purity: 99.37%
Purity: 97.16%
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Biological Description
Chemical Properties
Storage & Solubility Information
Description Ki-20227 is a specific c-Fms tyrosine kinase(CSF1R) inhibitor (IC50: 2 nM). It also has certain inhibitory against VEGFR2(IC50: 12 nM) and c-Kit/PDGFRβ(IC50: 451/217 nM), respectively.
Targets&IC50 CSF1R:2 nM, VEGFR2:12 nM
In vitro Ki20227 hasn't inhibition for other kinases tested, such as EGFR, Fms-like tyrosine kinase-3, or c-Src (c-src proto-oncogene product). Ki20227 also inhibits the M-CSF-dependent growth of M-NFS-60 cells but not the M-CSF-independent growth of A375 human melanoma cells in vitro. Ki20227 has an inhibition against M-CSF-dependent reactions, such as lipopolysaccharide-induced TNF-α production, which was enhanced by M-CSF in vitro.
In vivo Ki20227 reduces the number of tartrate-resistant acid phosphatase-positive osteoclast-like cells on bone surfaces in ovariectomized (ovx) rats. Furthermore, in the Ki20227-treated mice, the number of CD11b(+), Gr-1(+), and Ly-6 g(+) cells in the spleen were decreased and the CII-induced cytokine production in splenocytes isolated from the Ki20227-treated arthritic mice was also reduced. In EAE animal model, Ki20227 inhibits the turn-over/expansion of myeloid cells provoked by the immunization and subsequent MOG-specific T cell responses.
Molecular Weight 480.54
Formula C24H24N4O5S
CAS No. 623142-96-1


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

Solubility Information

DMSO: 55 mg/mL (114.45 mM)

TargetMolReferences and Literature

1. Ohno H, et al. A c-fms tyrosine kinase inhibitor, Ki20227, suppresses osteoclast differentiation and osteolytic bone destruction in a bone metastasis model. Mol Cancer Ther. 2006 Nov;5(11):2634-43. 2. Ohno H, et al. The orally-active and selective c-Fms tyrosine kinase inhibitor Ki20227 inhibits disease progression in a collagen-induced arthritis mouse model. Eur J Immunol. 2008 Jan;38(1):283-91. 3. Uemura Y, et al. The selective M-CSF receptor tyrosine kinase inhibitor Ki20227 suppresses experimental autoimmune encephalomyelitis. J Neuroimmunol. 2008 Mar;195(1-2):73-80. 4. Boru Hou, et al. Ki20227 influences the morphology of microglia and neurons through inhibition of CSF1R during global ischemia. Int J Clin Exp Pathol. 2016;9(12):12459-12469.

Related compound libraries

This product is contained In the following compound libraries:
Membrane Protein-targeted Compound Library Inhibitor Library Anti-Cancer Active Compound Library Kinase Inhibitor Library Tyrosine Kinase Inhibitor Library Immuno-Oncology Compound Library Anti-Lung Cancer Compound Library Bioactive Compounds Library Max Cytokine Inhibitor Library Reprogramming Compound Library

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Ki20227 623142-96-1 Angiogenesis Tyrosine Kinase/Adaptors VEGFR c-Fms CSF-1R c-Kit PDGFR inhibit Vascular endothelial growth factor receptor CD117 CSF1R SCFR Ki 20227 colony stimulating factor 1 receptor CSF-1 receptor Platelet-derived growth factor receptor Ki-20227 Inhibitor inhibitor