Z-Arg-Arg 4-methoxy-β-naphthylamide acetate salt
Z-Arg-Arg 4-methoxy-β-naphthylamide acetate salt (CAS: 100900-19-4) is a bioactive small molecule with the empirical formula C31H41N9O5 and a molecular weight of 619.71 g/mol. This compound is primarily utilised as a fluorimetric substrate in biochemical research, particularly for the assaying of enzymes like Cathepsin B. Its application extends to studies involving apoptosis, cell cycle regulation, and cell signaling pathways, offering valuable insights into cellular processes.
- IUPAC
- Z-RR-MNA
- Synonyms
- Z-RR-MNA

Enzyme Substrate for Cathepsin B Assays
Z-Arg-Arg 4-methoxy-β-naphthylamide acetate salt serves as a sensitive fluorimetric substrate for the determination of Cathepsin B activity. Upon enzymatic cleavage, it releases a fluorescent product, enabling quantitative analysis of enzyme kinetics and inhibition studies.
Apoptosis and Cell Cycle Research
This compound is employed in research investigating the mechanisms of apoptosis and cell cycle progression. By monitoring the activity of relevant proteases, researchers can gain a deeper understanding of these fundamental cellular events.
Cell Signaling Pathway Analysis
The substrate is useful for studying cell signaling pathways that involve cysteine proteases. Its specific cleavage by enzymes like Cathepsin B allows for targeted investigation of signaling cascades within cells.
Biochemical Reagent
As a biochemical reagent, Z-Arg-Arg 4-methoxy-β-naphthylamide acetate salt is valuable for various in vitro enzymatic assays and biochemical investigations. It aids in the characterisation of enzyme function and the screening of potential inhibitors.
| Molecular weight | 619.71 |
|---|---|
| Empirical formula | C31H41N9O5 |
| Storage temperature | −20°C |

Hazard statements
- H351Suspected of causing cancer
Precautionary statements
- P281Use personal protective equipment as required
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 40 |
| Safety statements (S) | 22-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... CTSB(1508)mouse ... CTSB(13030)rat ... CTSB(64529) |
|---|
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 Z-Arg-Arg 4-methoxy-β-naphthylamide acetate salt used for?
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This compound is primarily used as a fluorimetric substrate for the assay of enzymes such as Cathepsin B, and in research related to apoptosis, cell cycle regulation, and cell signaling.
What is the CAS number and empirical formula for Z-Arg-Arg 4-methoxy-β-naphthylamide acetate salt?
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The CAS number is 100900-19-4, and the empirical formula is C31H41N9O5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product for research purposes. The specific assay and purity information can be found on the product's Certificate of Analysis. We do not represent this product as USP, BP, or EP grade.
How should Z-Arg-Arg 4-methoxy-β-naphthylamide acetate salt be handled and stored?
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This compound is classified as a suspect carcinogen (H351) and requires careful handling. Store at -20°C. Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, should be used. Consult the Safety Data Sheet (SDS) for detailed handling procedures.
How is Z-Arg-Arg 4-methoxy-β-naphthylamide acetate salt packed, shipped, and exported?
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Tech Serve Solutions offers this chemical in various pack sizes suitable for laboratory use and is equipped to handle global export requirements, ensuring compliance with all relevant regulations.
How can I request a sample or quote for Z-Arg-Arg 4-methoxy-β-naphthylamide acetate salt?
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To request a sample or a formal quotation, please contact our sales department via the website or directly by phone, providing your details and the product's CAS number (100900-19-4).
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