XAV939
XAV939 (CAS: 284028-89-3), a bioactive small molecule with the formula C14H11F3N2OS and a molecular weight of 312.31 g/mol, is supplied as an off-white powder. This compound is primarily utilised in biochemical research, focusing on cell biology and signalling pathways. Its activity as a Wnt pathway inhibitor makes it a valuable tool for investigating gene regulation and expression, particularly in neuroscience research. Tech Serve Solutions provides XAV939 for laboratory and research applications.
- IUPAC
- 3,5,7,8-Tetrahydro-2-[4-(trifluoromethyl)phenyl]-4H-thiopyrano[4,3-d]pyrimidin-4-one

Cell Biology Research
XAV939 is employed as a research tool to study cellular processes, including cell proliferation, differentiation, and apoptosis, by modulating key signalling pathways.
Neuroscience Investigations
Its role in regulating gene expression makes XAV939 useful for exploring mechanisms relevant to neuronal development and function within neuroscience research.
Gene Regulation Studies
As a DNA-RNA transcription regulator, XAV939 aids in understanding the complex processes governing gene expression and its downstream effects.
Wnt Pathway Modulation
This compound specifically inhibits the Wnt signalling pathway, providing researchers with a means to dissect its involvement in various physiological and pathological contexts.
| Molecular weight | 312.31 |
|---|---|
| Empirical formula | C14H11F3N2OS |
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | off-white |
| Solubility | DMSO: >5 mg/mL |
| Storage temperature | room temp |

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) | 26-45 |
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 XAV939 used for?
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XAV939 is primarily used in research settings as a bioactive small molecule to study cell biology, cell signalling, neuroscience, and gene regulation, specifically by inhibiting the Wnt pathway.
What are the CAS number and formula for XAV939?
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The CAS number for XAV939 is 284028-89-3, and its empirical formula is C14H11F3N2OS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies XAV939 with a purity of ≥98% (HPLC). This product is intended for research and laboratory use and is not supplied as USP, BP, EP, or any other pharmacopoeia grade.
How should XAV939 be handled safely?
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XAV939 is classified with GHS06 and carries a 'Danger' signal word. It is toxic if swallowed (H301) and causes serious eye irritation (H319). Handle with extreme care, avoiding ingestion and contact with eyes. Follow safety protocols diligently; in case of accidental exposure, seek immediate medical attention.
How is XAV939 packed and shipped?
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XAV939 is typically supplied as an off-white powder and stored at room temperature. International shipments adhere to relevant regulations, including UN 2811 classification for toxic solids.
How can I request a sample or quote for XAV939?
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To request a sample or obtain a quotation for XAV939, please contact our sales team through the website or by phone. Provide your contact details and the desired quantity.
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