Calpain Inhibitor II
Calpain Inhibitor II (CAS: 136632-32-1) is a biochemical reagent with the molecular formula C19H35N3O4S and a molecular weight of 401.56 g/mol. This compound functions as a specific inhibitor for calpain enzymes, which are crucial in various cellular processes. It is primarily utilised in biochemical research for studying cellular signalling pathways, protein degradation, and muscle function, where calpain activity plays a significant role.
- IUPAC
- N-Acetyl-L-leucyl-L-leucyl-L-methioninal

Biochemical Research
Calpain Inhibitor II is widely employed in laboratory settings to investigate the biological functions of calpains. Its specificity allows researchers to modulate calpain activity and observe downstream effects in cellular models.
Enzyme Inhibition Studies
This compound serves as a valuable tool for categorising enzyme inhibitors and understanding the mechanisms of enzyme regulation. It helps in delineating the role of calpain proteases in various physiological and pathological conditions.
Cellular Signalling Pathway Analysis
By inhibiting calpains, researchers can elucidate their involvement in complex cellular signalling cascades. This application is critical for understanding cellular responses to stimuli and maintaining cellular homeostasis.
| Molecular weight | 401.56 |
|---|---|
| Empirical formula | C19H35N3O4S |
| Assay | ≥98.0% (TLC) |
| Solubility | ethanol: soluble20 mg/mL |
| Storage temperature | −20°C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 Calpain Inhibitor II used for?
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Calpain Inhibitor II is primarily used in biochemical research for studying cellular signalling pathways, protein degradation, and muscle function, where calpain activity is significant. It acts as a specific inhibitor for calpain enzymes.
What are the CAS number and formula for Calpain Inhibitor II?
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The CAS number for Calpain Inhibitor II is 136632-32-1, and its molecular formula is C19H35N3O4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Calpain Inhibitor II with an assay of ≥98.0% (TLC). We do not represent this product as USP, BP, or EP grade.
How should Calpain Inhibitor II be handled safely?
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For safe handling, appropriate personal protective equipment, including eyeshields and gloves, should be used. A type N95 (US) or type P1 (EN143) respirator filter is recommended. This compound is classified under WGK Germany 3.
How is Calpain Inhibitor II packed, shipped, and exported?
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Calpain Inhibitor II is typically stored at -20°C. Tech Serve Solutions ensures secure packing and export procedures compliant with international regulations for chemical shipments.
How can I request a sample or quote for Calpain Inhibitor II?
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To request a sample or obtain a quote for Calpain Inhibitor II, please contact our sales department through the website or by phone.
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