Catalog Number: 6012
Chemical Name: 2,3-Dihydro-3-[(1-methyl-1H-indol-3-yl)methylene]-2-oxo-1H-indole-5-sulfonamide
Biological Activity
Potent Syk kinase inhibitor (IC50 = 14 nM). Inhibits assembly of NLRP3 inflammasomes induced by Nigericin (Cat.No. 4312). Also inhibits the activation of caspase-1, IL-1β processing and release, mitochondrial ROS generation and pyroptic cell death in mouse macrophage cells.
Technical Data
  • M.Wt:
  • Formula:
  • Solubility:
    Soluble to 100 mM in DMSO
  • Purity:
  • Storage:
    Store at -20°C
  • CAS No:
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis. All Tocris products are intended for laboratory research use only.
Background References
  1. Potent small molecule inhibitors of spleen tyrosine kinase (Syk).
    Lai et al.
    Bioorg.Med.Chem.Lett., 2003;13:3111
  2. The oxindole Syk inhibitor OXSI-2 blocks nigericin-induced inflammasome signaling and pyroptosis independent of potassium efflux.
    Yaron et al.
    Biochem.Biophys.Res.Commun., 2016;472:545
Tocris Bioscience is the leading supplier of novel and exclusive tools for life science research with over 30 years' experience in the industry. Tocris is a Bio-Techne brand.

Order Details


Contact Information


Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.

*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

R&D Systems Guarantee


Customer Information