S3I-201
S3I-201 (CAS: 501919-59-1), a chemical compound with the formula C16H15NO7S and a molecular weight of 365.36 g/mol, presents as a white to beige powder. This compound is primarily utilised in research applications within cell biology, particularly in studies concerning cell signalling, neuroscience, DNA-RNA transcription, and gene regulation. Its defined characteristics make it a valuable reagent for investigating complex biological pathways.
- IUPAC
- 2-Hydroxy-4-[[[[(4-methylphenyl)sulfonyl]oxy]acetyl]amino]-benzoic acid,NSC 74859

Cell Biology Research
S3I-201 is employed in cellular studies to investigate fundamental biological processes. Its application aids in understanding cell function, signalling cascades, and the intricate mechanisms governing cellular behaviour.
Neuroscience and Cell Signalling
This compound serves as a tool in neuroscience research, focusing on cell signalling pathways relevant to neuronal function. It assists in elucidating the molecular basis of neurological processes and disorders.
Gene Regulation and Expression Studies
S3I-201 is utilised in the investigation of DNA-RNA transcription and gene expression. Researchers use it to explore the regulation of gene activity and its impact on cellular phenotypes.
| Molecular weight | 365.36 |
|---|---|
| Empirical formula | C16H15NO7S |
| Assay | ≥97% (HPLC) |
| Form | powder |
| Colour | white to beige |
| Solubility | DMSO: >10 mg/mL |
| Storage temperature | −20°C |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is S3I-201 used for?
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S3I-201 is used in research within cell biology, cell signalling, neuroscience, DNA-RNA transcription, and gene regulation and expression studies.
What are the CAS number and formula for S3I-201?
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The CAS number for S3I-201 is 501919-59-1 and its empirical formula is C16H15NO7S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies S3I-201 with an assay of ≥97% (HPLC). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should S3I-201 be handled and stored?
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S3I-201 is classified under WGK (Germany) as 3. It should be stored at -20°C. Handle with appropriate laboratory precautions to avoid exposure.
How is S3I-201 packed, shipped, and exported?
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S3I-201 is packed as a powder. Tech Serve Solutions, as a global supplier, ensures compliant packing and export procedures for research chemicals.
How can I request a sample or quote for S3I-201?
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To request a sample or quote for S3I-201, please contact our sales department via the website or direct email, providing your specific requirements.
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