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MCC-950 (sodium salt)
Activators & Inhibitors
Chemical Modulators

MCC-950 (sodium salt) #86428

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MCC-950 (sodium salt): Image 1
Chemical structure of MCC-950 (sodium salt).

Product Usage Information

MCC-950 (sodium salt) is supplied as a lyophilized powder. For a 10 mM stock, reconstitute 5 mg of powder in 1.17 ml of DMSO. Working concentrations and length of treatment can vary depending on the desired effect.


Store lyophilized at -20ºC, desiccated. In lyophilized form, the chemical is stable for 24 months. Once in solution, store at -20ºC and use within 1 month to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

Product Description

Molecular Weight 426.5 g/mol
Purity >98%
Molecular Formula C20H23N2O5S • Na
CAS 256373-96-3
Solubility Soluble in DMSO at 40 mg/ml or water at 30 mg/ml.


MCC-950 (sodium salt), also known as CRID3, is a potent and selective NOD-like receptor (NLR) family pyrin domain-containing protein 3 (NLRP3) inhibitor. NLRP3 is an inflammasome-forming NLR that activates caspase-1, leading to maturation of IL-1β and IL-18 (1). MCC-950 (sodium salt) inhibits IL-1β production in mouse bone marrow-derived macrophage (BMDM) cells with an IC50 value of 7.5 nM (2). The NLRP3 inflammasome is involved in different diseases such as Parkinson’s disease (PD), multiple sclerosis (MS), type 2 diabetes, and atherosclerosis, making MCC-950 (sodium salt) an important compound when studying different autoinflammatory and autoimmune diseases (2,3).
  1. Franchi, L. et al. (2012) Nat Immunol 13, 325-32.
  2. Coll, R.C. et al. (2015) Nat Med 21, 248-55.
  3. Gordon, R. et al. (2018) Sci Transl Med 10, eaah4066. doi: 10.1126/scitranslmed.aah4066.

Limited Uses

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Products are labeled with For Research Use Only or a similar labeling statement and have not been approved, cleared, or licensed by the FDA or other regulatory foreign or domestic entity, for any purpose. Customer shall not use any Product for any diagnostic or therapeutic purpose, or otherwise in any manner that conflicts with its labeling statement. Products sold or licensed by CST are provided for Customer as the end-user and solely for research and development uses. Any use of Product for diagnostic, prophylactic or therapeutic purposes, or any purchase of Product for resale (alone or as a component) or other commercial purpose, requires a separate license from CST. Customer shall (a) not sell, license, loan, donate or otherwise transfer or make available any Product to any third party, whether alone or in combination with other materials, or use the Products to manufacture any commercial products, (b) not copy, modify, reverse engineer, decompile, disassemble or otherwise attempt to discover the underlying structure or technology of the Products, or use the Products for the purpose of developing any products or services that would compete with CST products or services, (c) not alter or remove from the Products any trademarks, trade names, logos, patent or copyright notices or markings, (d) use the Products solely in accordance with CST Product Terms of Sale and any applicable documentation, and (e) comply with any license, terms of service or similar agreement with respect to any third party products or services used by Customer in connection with the Products.

For Research Use Only. Not For Use In Diagnostic Procedures.
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To Purchase # 86428
Cat. # Size Qty. Price
5 mg
$ 102