BI-78D3
BI-78D3 (CAS: 883065-90-5), a chemical compound with the formula C13H9N5O5S2 and a molecular weight of 379.37 g/mol, presents as a tan powder. This substance is primarily utilised in research settings, particularly within cell biology and neuroscience, for investigating cellular signalling pathways. Its specific application focuses on the inhibition of serine/threonine kinases, making it a valuable tool for researchers in these fields.
- IUPAC
- 4-(2,3-Dihydrobenzol[b][1,4]dioxin-6-yl)-5-(5-nitrothiazol-2-ylthio)-4H-1,2,4-triazol-3-ol
- Synonyms
- 4-(2,3-Dihydrobenzol[b][1,4]dioxin-6-yl)-5-(5-nitrothiazol-2-ylthio)-4H-1,2,4-triazol-3-ol

Cell Biology Research
BI-78D3 serves as a research tool in cell biology, enabling studies into intracellular processes and signalling mechanisms. Its properties are valuable for exploring complex cellular functions.
Neuroscience Investigations
In neuroscience, BI-78D3 is employed to investigate cell signalling pathways relevant to neuronal function. It aids researchers in understanding the molecular basis of neurological processes.
Kinase/Phosphatase Biology Studies
This compound is utilised for research within kinase and phosphatase biology. It specifically acts as an inhibitor, facilitating the study of these enzyme families and their roles in cellular regulation.
Serine/Threonine Kinase Inhibition
BI-78D3 is a potent inhibitor of serine/threonine kinases. Researchers use it to selectively block these enzymes, helping to elucidate their physiological functions and involvement in disease pathways.
| Molecular weight | 379.37 |
|---|---|
| Empirical formula | C13H9N5O5S2 |
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | tan |
| Solubility | DMSO: >10 mg/mL |
| Storage temperature | −20°C |
| Storage Condition | desiccated |
|---|
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 BI-78D3 used for?
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BI-78D3 is used in research for investigating cell biology, cell signalling, neuroscience, and specifically as a serine/threonine kinase inhibitor.
What are the CAS number and formula for BI-78D3?
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The CAS number for BI-78D3 is 883065-90-5, and its empirical formula is C13H9N5O5S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies BI-78D3 with an assay of ≥98% (HPLC). We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for BI-78D3?
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BI-78D3 is classified under WGK Germany 2. Appropriate personal protective equipment should be used, and handling should occur in a well-ventilated area to minimise exposure.
How is BI-78D3 packaged, shipped, and exported?
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BI-78D3 is typically supplied as a tan powder and stored at -20°C in a desiccated state. TSS is a specialist global supplier and exporter of fine chemicals.
How can I request a sample or quote for BI-78D3?
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To request a sample or a quotation for BI-78D3, please contact our sales team through the website or via direct enquiry, providing your specific requirements.
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