Home / Pharmacology / Enzymes / Kinases / Syk Kinase / Syk Kinase Inhibitors / OXSI 2

OXSI 2

Cat. No. 6012 Submit a Review Datasheet / COA / SDS
Pricing Availability   Qty
Cat.No. 6012 - OXSI 2 | C18H15N3O3S | CAS No. 622387-85-3
Description: Potent Syk kinase inhibitor; also inhibits assembly of NLRP3 inflammasomes
Chemical Name: 2,3-Dihydro-3-[(1-methyl-1H-indol-3-yl)methylene]-2-oxo-1H-indole-5-sulfonamide
Purity: ≥98% (HPLC)
Datasheet
Citations
Reviews
Literature (3)
Biological Activity Technical Data Solubility Calculators Datasheets References

Biological Activity for OXSI 2

OXSI 2 is a 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 for OXSI 2

M. Wt 353.39
Formula C18H15N3O3S
Storage Store at -20°C
Purity ≥98% (HPLC)
CAS Number 622387-85-3
PubChem ID 24906266
InChI Key MLKHXLFEYOOYEY-UHFFFAOYSA-N
Smiles CN1C=C(/C=C2C(NC3=CC=C(C=C\23)S(N)(=O)=O)=O)C4=CC=CC=C14

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

Tocris products are intended for laboratory research use only, unless stated otherwise.

Solubility Data for OXSI 2

Solvent Max Conc. mg/mL Max Conc. mM
Solubility
DMSO 35.34 100

Preparing Stock Solutions for OXSI 2

The following data is based on the product molecular weight 353.39. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Select a batch to recalculate based on the batch molecular weight:
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 2.83 mL 14.15 mL 28.3 mL
5 mM 0.57 mL 2.83 mL 5.66 mL
10 mM 0.28 mL 1.41 mL 2.83 mL
50 mM 0.06 mL 0.28 mL 0.57 mL

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.
=
x
x
g/mol

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

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

=
÷

Dilution Calculator

Calculate the dilution required to prepare a stock solution.
x
=
x

References for OXSI 2

References are publications that support the biological activity of the product.

Lai et al (2003) Potent small molecule inhibitors of spleen tyrosine kinase (Syk). Bioorg.Med.Chem.Lett. 13 3111 PMID: 12941345

Yaron et al (2016) The oxindole Syk inhibitor OXSI-2 blocks nigericin-induced inflammasome signaling and pyroptosis independent of potassium efflux. Biochem.Biophys.Res.Commun. 472 545 PMID: 26970308

If you know of a relevant reference for OXSI 2, please let us know.

View Related Products by Target

View Related Products by Product Action

View all Syk Kinase Inhibitors

Keywords: OXSI 2, OXSI 2 supplier, OXSI2, Inhibitors, inhibits, Syk, kinase, NLRPL3, inflammasome, caspase-1, IL-1beta, IL-1b, IL-1β, mitochondria, ROS, pyroptosis, inflammation, Kinase, Inflammasomes, 6012, Tocris Bioscience

Citations for OXSI 2

Citations are publications that use Tocris products.

Currently there are no citations for OXSI 2. Do you know of a great paper that uses OXSI 2 from Tocris? Please let us know.

Reviews for OXSI 2

There are currently no reviews for this product. Be the first to review OXSI 2 and earn rewards!

Have you used OXSI 2?

Submit a review and receive an Amazon gift card.

$50/€35/£30/$50CAN/¥300 Yuan/¥5000 Yen for first to review with an image

$25/€18/£15/$25CAN/¥75 Yuan/¥1250 Yen for a review with an image

$10/€7/£6/$10 CAD/¥70 Yuan/¥1110 Yen for a review without an image

Submit a Review

Literature in this Area

Tocris offers the following scientific literature in this area to showcase our products. We invite you to request* your copy today!

*Please note that Tocris will only send literature to established scientific business / institute addresses.

Cancer

Cancer Research Product Guide

A collection of over 750 products for cancer research, the guide includes research tools for the study of:

  • Cancer Metabolism
  • Epigenetics in Cancer
  • Receptor Signaling
  • Cell Cycle and DNA Damage Repair
  • Angiogenesis
  • Invasion and Metastasis
Immunology

Immunology Product Listing

A collection of over 190 products for immunology research, the guide includes research tools for the study of:

  • Chemokine and Cytokine Signaling
  • Chemotaxis
  • Complement System
  • Immune Cell Signaling
  • Inflammation
Kinases

Kinases Product Listing

A collection of over 400 products for kinase research, the listing includes inhibitors of:

  • Receptor Tyrosine Kinases
  • Protein Kinases A, C, D and G
  • PI-3 Kinase, Akt and mTOR
  • MAPK Signaling
  • Receptor Serine/Threonine Kinases