BI-87G3
BI-87G3 (CAS: 2207-44-5), with the molecular formula C10H5N3O2S3 and a molecular weight of 295.36 g/mol, is a chemical compound supplied by Tech Serve Solutions. This white to beige powder is primarily recognised for its role in cell biology research, particularly within cell signalling, neuroscience, and kinase/phosphatase biology. It functions as a specific inhibitor for serine/threonine kinases, including c-Jun N-terminal kinase (JNK).
- IUPAC
- 2-(5-Nitrothiazol-2-ylthio)benzo[d]thiazole,2-[(5-Nitro-2-thiazolyl)thio]-benzothiazole
- Synonyms
- 2-(5-Nitrothiazol-2-ylthio)benzo[d]thiazole2-[(5-Nitro-2-thiazolyl)thio]-benzothiazole

Research Chemical
BI-87G3 is utilised as a research tool in cell biology laboratories for investigating cellular signalling pathways and mechanisms. Its properties make it valuable for studies focused on kinase and phosphatase activity.
Kinase Inhibition Studies
As a selective inhibitor of certain serine/threonine kinases, BI-87G3 is employed in research to understand the physiological roles of these enzymes. It aids in elucidating the specific functions of JNK pathways in cellular processes.
Neuroscience Research
The compound's application extends to neuroscience research, where it can be used to explore the involvement of kinase pathways in neuronal function and related biological processes.
| Molecular weight | 295.36 |
|---|---|
| Empirical formula | C10H5N3O2S3 |
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | white to beige |
| Solubility | DMSO: soluble10 mg/mL (clear solution) |
| Storage temperature | 2-8°C |

Hazard statements
- H301Toxic if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P301IF SWALLOWED
- P305IF IN EYES
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-36 |
| Safety statements (S) | 25-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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-87G3 used for?
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BI-87G3 is used in cell biology research, particularly for studying cell signalling, neuroscience, and kinase/phosphatase biology. It acts as an inhibitor of serine/threonine kinases, including c-Jun N-terminal kinase (JNK).
What are the CAS number and formula for BI-87G3?
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The CAS number for BI-87G3 is 2207-44-5, and its empirical formula is C10H5N3O2S3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies BI-87G3 with a minimum purity of ≥98% (HPLC). TSS does not represent this product as USP, BP, or EP grade.
How should BI-87G3 be handled and stored?
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BI-87G3 is labelled with Danger signal word and H301 (Toxic if swallowed) and H319 (Causes serious eye irritation) hazard statements. It should be handled with appropriate personal protective equipment and stored at 2-8°C.
Is BI-87G3 a controlled substance?
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The provided data does not indicate that BI-87G3 is a controlled substance.
How is BI-87G3 packed and shipped?
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BI-87G3 is typically supplied as a powder. International shipping follows UN 2811 regulations (Toxic solid, organic, n.o.s., 6.1, PGIII). For specific packaging and export inquiries, please contact TSS.
How can I request a sample or quote for BI-87G3?
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To request a sample or a quotation for BI-87G3, please contact the Tech Serve Solutions sales team via our website or direct inquiry channels.
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