His-Ser 4-methoxy-β-naphthylamide acetate salt
His-Ser 4-methoxy-β-naphthylamide acetate salt (CAS: 100929-87-1) is a chemical compound with the molecular formula C20H23N5O4 and a molecular weight of 397.43 g/mol. Supplied as an acetate salt, this compound functions as a biochemical reagent, specifically within the realm of enzyme substrates. Its applications are primarily in research and analytical settings where it is used for studying enzymatic activity, particularly involving esterase or amidase enzymes due to its fluorogenic nature.

Enzyme Substrate
His-Ser 4-methoxy-β-naphthylamide acetate salt serves as a fluorogenic substrate for the detection and quantification of enzyme activity. Upon enzymatic cleavage, it releases a fluorescent product, enabling sensitive assays.
Biochemical Research
This compound is utilised in biochemical research to investigate enzyme kinetics and mechanisms. Its specific structure allows for targeted studies of enzymes that recognise naphthylamide derivatives.
Analytical Reagent
As an analytical reagent, it is employed in various laboratory procedures to identify and measure the presence or activity of specific enzymes in biological samples.
| Molecular weight | 397.43 |
|---|---|
| Empirical formula | C20H23N5O4 |
| 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.
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 His-Ser 4-methoxy-β-naphthylamide acetate salt used for?
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His-Ser 4-methoxy-β-naphthylamide acetate salt is primarily used as a fluorogenic enzyme substrate in biochemical research and analytical procedures to detect and quantify enzyme activity.
What is the CAS number and molecular formula for His-Ser 4-methoxy-β-naphthylamide acetate salt?
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The CAS number is 100929-87-1, and the molecular formula is C20H23N5O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound for research and laboratory use. The specific grade and purity are available on the Certificate of Analysis. We do not represent this product as USP, BP, or EP grade unless explicitly stated.
How should His-Ser 4-methoxy-β-naphthylamide acetate salt be handled?
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This compound is classified as potentially causing cancer (H351) and requires appropriate personal protective equipment, including eyeshields, gloves, and a respirator with N100 (US) or P3 (EN143) filters. Handle in a well-ventilated area or fume hood.
How is this product shipped or exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. This product can be shipped and exported worldwide, adhering to all relevant regulations.
How can I request a sample or quote for His-Ser 4-methoxy-β-naphthylamide acetate salt?
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To request a sample or quote, please contact our sales team through the website or by phone, providing the product name and CAS number (100929-87-1).
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