PF-04856264
PF-04856264 (CAS: 1235397-05-3), with the empirical formula C20H15N5O3S2, is a chemical compound offered by Tech Serve Solutions. This white to light brown powder, assaying at ≥98% (HPLC), is primarily utilised in cell biology research, particularly within cell signalling, neuroscience, and ion channel studies. Its specific action relates to modulating voltage-gated sodium channels, making it a valuable tool for investigating cellular electrophysiology and related biological pathways.
- IUPAC
- 3-Cyano-4-[2-(1-methyl-1H-pyrazol-5-yl)phenoxy]-N-2-thiazolyl-benzenesulfonamide

Ion Channel Research
PF-04856264 serves as a modulator of voltage-gated sodium channels. This makes it a critical reagent for researchers investigating the function and regulation of these essential ion transport proteins in cellular electrophysiology.
Cellular Neuroscience
Its role in modulating sodium channels positions PF-04856264 as a useful tool in neuroscience research. It can aid in the study of neuronal excitability, signal propagation, and the underlying mechanisms of neurological processes.
Cell Signalling Studies
As a compound influencing ion flux, PF-04856264 can be employed in studies examining how cellular signalling pathways are impacted by changes in ion concentrations and electrical potential across cell membranes.
| Empirical formula | C20H15N5O3S2 |
|---|---|
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | white to light brown |
| Solubility | DMSO: soluble10 mg/mL, clear |
| Storage temperature | 2-8°C |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25 |
| Safety statements (S) | 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 PF-04856264 used for?
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PF-04856264 is used in research for its role as a modulator of voltage-gated sodium channels, contributing to studies in cell biology, cell signalling, neuroscience, and ion channel research.
What is the CAS number and empirical formula for PF-04856264?
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The CAS number for PF-04856264 is 1235397-05-3, and its empirical formula is C20H15N5O3S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies PF-04856264 with a purity of ≥98% as determined by HPLC. This product is supplied for research purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should PF-04856264 be handled and stored?
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PF-04856264 is classified as toxic if swallowed (H301) and requires careful handling. It should be stored at 2-8°C. Always consult the Safety Data Sheet (SDS) for comprehensive safety and handling instructions before use.
How is PF-04856264 packed and exported?
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PF-04856264 is securely packed for transport and is available for global export by Tech Serve Solutions, adhering to all relevant shipping regulations, including its classification as UN 2811 6.1 / PGIII.
How can I request a sample or quote for PF-04856264?
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To request a sample or a quotation for PF-04856264, please contact our sales team through the website or by phone, providing your specific requirements.
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