NSC 74859

Cat. No. 4655

NSC 74859 C16H15NO7S [501919-59-1]

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Alternative Name: S3I-201

Chemical Name: 2-Hydroxy-4-[[2-[[(4-methylphenyl)sulfonyl]oxy]acetyl]amino]benzoic acid

Biological Activity

Selectively inhibits STAT3 DNA-binding activity in vitro (IC50 values are 86, 160, and >300 μM for STAT3-STAT3, STAT1-STAT3 and STAT1-STAT1 DNA-binding activity respectively). Blocks growth and induces apoptosis preferentially in tumor cells that contain persistently active STAT3 in vitro and arrests tumor growth in a murine xenograft model in vivo.

Technical Data

Soluble to 100 mM in DMSO
>98 %
Store at -20°C

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.

Certificate of Analysis / Safety Data Sheet

Certificate of Analysis: View current batch
Safety Data Sheet: View Safety Data Sheet


Siddiquee et al (2007) Selective chemical probe inhibitor of Stat3, identified through structure-based virtual screening, induces antitumor activity. Proc.Natl.Acad.Sci.U.S.A. 104 7391. PMID: 17463090.

Lin et al (2009) The STAT3 inhibitor NSC 74859 is effective in hepatocellular cancers with disrupted TGF-beta signaling. Oncogene 28 961. PMID: 19137011.

If you know of a relevant citation for this product please let us know.

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Keywords: NSC 74859, supplier, NSC74859, STAT3, inhibitors, DNA-binding, apoptosis, STAT Inhibitors

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