Camostat mesylate
Camostat mesylate (CAS: 59721-29-8) is a synthetic derivative of the amino acid p-guanidinobenzoic acid, presented as a white to tan powder. Its chemical formula is C20H22N4O5·CH3SO3H and it has a molecular weight of 494.52 g/mol. This compound is recognised for its role as a serine protease inhibitor, particularly acting on trypsin-like proteases. Camostat mesylate is widely employed in biochemical research for its utility in cell signalling studies and as a research tool in various biological investigations.
- IUPAC
- 4-[[4-[(Aminoiminomethyl)amino]benzoyl]oxy]benzeneacetic acid 2-(dimethylamino)-2-oxoethyl ester methanesulfonate; FOY 305; FOY-S 980; Foipan mesylate
- Synonyms
- 4-[[4-[(Aminoiminomethyl)amino]benzoyl]oxy]benzeneacetic acid 2-(dimethylamino)-2-oxoethyl ester methanesulfonateFOY 305FOY-S 980Foipan mesylate

Serine Protease Inhibition
Camostat mesylate functions as a potent inhibitor of serine proteases, including trypsin and thrombin. This property makes it valuable for studying enzymatic pathways and controlling proteolytic activity in experimental systems.
Cell Signalling Research
This compound is frequently used in cell biology and neuroscience research to investigate cellular signalling mechanisms. Its ability to modulate protease activity aids in understanding complex biological processes at the cellular level.
Enzyme Activity Studies
Researchers utilise Camostat mesylate to probe the function and specificity of proteases in diverse biological contexts. Its precise inhibitory action allows for detailed analysis of enzyme kinetics and substrate interactions.
| Molecular weight | 494.52 |
|---|---|
| Empirical formula | C20H22N4O5·CH3SO3H |
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | white to tan |
| Solubility | H2O: ≥24 mg/mL |
| Storage temperature | 2-8°C |
| Application | Camostat mesylate may be used in cell signaling studies. |


Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H400Very toxic to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P305IF IN EYES
| Transport (UN / ADR) | UN 3077 9 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi,N |
| Risk statements (R) | 36/37/38-50 |
| Safety statements (S) | 26-61 |
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 Camostat mesylate used for?
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Camostat mesylate is used in biochemical research, particularly for cell signalling studies and as a serine protease inhibitor. It helps researchers investigate enzymatic pathways and cellular processes.
What is the CAS number and formula for Camostat mesylate?
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The CAS number for Camostat mesylate is 59721-29-8, and its formula is C20H22N4O5·CH3SO3H.
What grade and purity does Tech Serve Solutions supply for Camostat mesylate?
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Tech Serve Solutions supplies Camostat mesylate with a purity of ≥98% (HPLC). We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for Camostat mesylate?
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Camostat mesylate is classified with GHS07 and GHS09 symbols, and carries a Warning signal word. It has hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), H335 (May cause respiratory irritation), and H400 (Very toxic to aquatic life). Handle with appropriate personal protective equipment in a well-ventilated area, and avoid release to the environment. Refer to the Safety Data Sheet for comprehensive handling information.
How is Camostat mesylate packed, shipped, and exported by TSS?
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Camostat mesylate is supplied as a powder and stored at 2-8°C. Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including this compound, adhering to international shipping regulations for hazardous materials (UN 3077, Class 9, Packing Group III).
How can I request a quote or sample for Camostat mesylate?
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To request a quote or a sample of Camostat mesylate, please use the 'Request a Quote' or 'Request a Sample' functionality on our website, or contact our sales team directly.
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