SB-743921 (free base)
SB-743921 free base is a potent selective inhibitor of the mitotic kinesin KSP (Eg5), with a Ki of 0.1 nM. SB-743921 free base can induce mitotic arrest, block cell cycle progression, induce apoptosis, and can be used in the research of myeloma, leukemia and other diseases[1][2].
Product Specifications
CAS Number
618430-39-0
UNSPSC
12352005
Target
Kinesin
Type
Reference compound
Related Pathways
Cell Cycle/DNA Damage; Cytoskeleton
Applications
Cancer-programmed cell death
Field of Research
Cancer
Assay Protocol
https://www.medchemexpress.com/sb-743921-free-base.html
Solubility
10 mM in DMSO
Smiles
O=C1C(CC2=CC=CC=C2)=C([C@@H](C(C)C)N(C(C3=CC=C(C)C=C3)=O)CCCN)OC4=CC(Cl)=CC=C41
Molecular Formula
C31H33ClN2O3
Molecular Weight
517.06
References & Citations
[1]Jeffrey R. Jackson, et al. A second generation KSP inhibitor, SB-743921, is a highly potent and active therapeutic in preclinical models of cancer. First AACR International Conference on Molecular Diagnostics in Cancer Therapeutic Development, Sep 12-15, 2006.|[2]Yin Y, et al. Kinesin spindle protein inhibitor SB743921 induces mitotic arrest and apoptosis and overcomes imatinib resistance of chronic myeloid leukemia cells. Leuk Lymphoma. 2015 Jun;56 (6) :1813-20.|[3]Good JA, et al. Optimized S-trityl-L-cysteine-based inhibitors of kinesin spindle protein with potent in vivo antitumor activity in lung cancer xenograft models. J Med Chem. 2013 Mar 14;56 (5) :1878-93.
Shipping Conditions
Room temperature
Scientific Category
Reference compound1
Clinical Information
Phase 2
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