Render Target: STATIC
Render Timestamp:
5/22/2026, 7:28:06 AM EDT
5/22/2026, 11:28:06 AM UTC
Commit: 7ed46ecc04b401f23a28df741b5078df405d23e4
XML generation date: 2026-05-21 19:20:25.595
Product last modified at: 2026-05-22T07:01:37.267Z
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PDP - Template Name: Chemical Modulators
PDP - Template ID: *******c501c72
  1. Products /
  2. Activators & Inhibitors /
  3. STF-083010

STF-083010 #92208

    Product Information

    Product Usage Information

    STF-083010 is supplied as a lyophilized powder. For a 15 mM stock, reconstitute 5 mg of powder in 1.05 mL of DMSO. Working concentrations and length of treatment can vary depending on the desired effect.

    Storage

    Store lyophilized at -20ºC, desiccated. In lyophilized form, the chemical is stable for 24 months. Once in solution, store at -20ºC and use within 3 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

    Product Description

    Molecular Weight 317.4 g/mol
    Purity >98%
    Molecular Formula C15H11NO3S2
    CAS 307543-71-1
    Solubility Soluble in DMSO at 30 mg/mL.

    Background

    In cells undergoing endoplasmic reticulum (ER) stress, the cell-permeable compound STF-083010 specifically inhibits inositol-requiring enzyme-1 (IRE1) RNase activity and blocks prolonged unfolded protein response (UPR) initiation. IRE1α-mediated splicing of X-box binding protein 1 (XBP1) mRNA induces expression of many UPR responsive genes. In a rat model of acute renal failure, STF-083010 treatment suppressed oxidative stress, inflammation, and apoptosis. These cellular changes coincided with reduced impairment of kidney structure and function. By inhibiting IRE1, STF-083010 prevented prolonged UPR and downregulated expression of GRP78, p-IRE1, XBP1s, CHOP, and caspase-3 (1). In a model of multiple myeloma xenografts under ER stress, STF-083010 inhibited IRE1 endonuclease activity and showed significant anti-myeloma activity (2). STF-083010 treatment in pancreatic cancer cell lines caused growth arrest at either the G1 or G2/M phases and induced apoptosis (3). Similar therapeutic results were seen as STF-083010 prevented thioacetamide-induced acute liver injury by reducing reactive oxygen species production and decreasing hepatic inflammation (4).

    Alternate Names

    N-[(2-Hydroxy-1-naphthalenyl)methylene]-2-thiophenesulfonamide

    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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