2. Protein Tyrosine Kinase/RTK
  3. Btk
  4. Spebrutinib besylate

Spebrutinib besylate  (Synonyms: AVL-292 benzenesulfonate; CC-292 besylate)

Cat. No.: HY-18012A
Handling Instructions Technical Support

Spebrutinib besylate (AVL-292 benzenesulfonate; CC-292 besylate) is a potent inhibitor of Btk kinase activity (IC50<0.5 nM, Kinact/Ki=7.69×104 M-1s-1s) in biochemical assays.

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Spebrutinib besylate

Spebrutinib besylate Chemical Structure

CAS No. : 1360053-81-1

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Spebrutinib besylate Related Antibodies

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Description

Spebrutinib besylate (AVL-292 benzenesulfonate; CC-292 besylate) is a potent inhibitor of Btk kinase activity (IC50<0.5 nM, Kinact/Ki=7.69×104 M-1s-1s) in biochemical assays.

IC50 & Target

IC50: <0.5 nM (Btk)[1]
In Vitro

Spebrutinib (CC-292) is a covalent, highly selective, orally active inhibitor of Btk with IC50 value of 0.5 nM. Spebrutinib also less potently inhibits Yes, c-Src, Brk, Lyn, and Fyn with IC50s of 723 nM, 1.729 μM, 2.43 μM, 4.4 μM, and 7.15 μM, rspectively. Extensive analysis has revealed that the EC50 of Btk occupancy from a Spebrutinib dose-response in Ramos cells (EC50=6 nM) correlated directly with the cellular EC50 of Btk kinase inhibition with Spebrutinib (EC50=8 nM). Furthermore, the concentration at which Spebrutinib inhibits 90% of Btk activity in Ramos cells is 35 nM while the concentration of Spebrutinib required for 90% occupancy of Btk is 39 nM[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Spebrutinib besylate Related Antibodies
Clinical Trial
Molecular Weight

581.62

Formula

C28H28FN5O6S
CAS No.
SMILES

COCCOC1=CC=C(NC2=NC=C(F)C(NC3=CC=CC(NC(C=C)=O)=C3)=N2)C=C1.O=S(C4=CC=CC=C4)(O)=O
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

Please store the product under the recommended conditions in the Certificate of Analysis.
Purity & Documentation
References
Cell Assay
[1]

Cells are incubated in serum-free RPMI media for 1-1.5 hours. Isolated human B cells are incubated with Spebrutinib at a final concentration of 0.001, 0.01, 0.1 and 1 μM. Ramos cells are incubated with 0.1 nM-3 μM Spebrutinib. Cells are then incubated in the presence of compound for 1 hour at 37°C. Following incubation, cells are centrifuged and resuspended in 100 μL of serum-free RPMI and BCR is stimulated with addition of 5 μg/mL α-human IgM. Samples are centrifuged, washed in phosphate-buffered saline (PBS), and lysed in 100 μL of Cell Extraction Buffer plus 1:10 (v/v) PhosSTOP Phosphatase Inhibitor and 1:10 (v/v) Complete Protease Inhibitor. Antibodies used for immunoblot analysis include P-PLCγ2, PLCγ2 (3871; CST), Syk (2712; CST), P-Syk (2710; CST), Btk, P-Btk, and Tubulin. Membranes are scanned on a Li-Cor Odyssey scanner using infrared fluorescence detection[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
References
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Spebrutinib besylate Related Classifications

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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Spebrutinib besylate1360053-81-1AVL-292 CC-292 besylateAVL292AVL 292BtkBruton tyrosine kinaseInhibitorinhibitorinhibit

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