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Cat. No. M21284
BMS-986143  Structure
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Biological Activity

BMS-986143 is a potent, reversible inhibitor of tyrosine kinase (BTK), which has been successfully targeted by a number of irreversible tumor compounds.BMS-986143 also inhibits TEC, BLK, BMX, TXK FGR, YES1, and ITK with IC50s of 3 nM, 5 nM, 7 nM, 10 nM, 15 nM, 19 nM, and 21 nM, respectively.

Chemical Information
Molecular Weight 587.45
Formula C31H24Cl2N4O4
CAS Number 1643372-83-1
Solubility (25°C) N/A
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
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 Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 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 Compound A of 10 mg/kg.


[1] Anurag S Srivastava, et al. ACS Med Chem Lett. Driving Potency with Rotationally Stable Atropisomers: Discovery of Pyridopyrimidinedione-Carbazole Inhibitors of BTK

Related BTK Products

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NX-2127 is an orally active, potent BTK inhibitor that induces degradation of mutant BTKC481S in cells, as well as inhibits the proliferation of BTKC481S mutant TMD8 cells. In addition, NX-2127 stimulates T cell activation and increases IL-2 production in primary human T cells.


DBt-10 is a potent BTK degrader.


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Keywords: BMS-986143 supplier, BTK, inhibitors, activators

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