L-Arginine 4-methoxy-β-naphthylamide hydrochloride
L-Arginine 4-methoxy-β-naphthylamide hydrochloride (CAS 61876-75-3) is a chemical compound with the formula C17H23N5O2 · HCl and a molecular weight of 365.86 g/mol. This substance is primarily utilised as a biochemical reagent and an enzyme substrate. Its properties make it valuable in research settings for enzymatic activity studies and as a fluorogenic substrate.

Enzyme Substrate
Serves as a fluorogenic substrate for various enzymatic assays. Its cleavage by specific enzymes releases a fluorescent product, enabling detection and quantification of enzyme activity.
Biochemical Research
Used in biochemical research to study enzyme kinetics, identify enzyme inhibitors, and investigate biological pathways. Its structure is derived from the amino acid L-Arginine.
Activity Assays
Applicable in a range of activity assays, particularly those involving enzymes that process naphthylamide derivatives. The compound's fluorescence properties facilitate sensitive detection.
| Molecular weight | 365.86 |
|---|---|
| Empirical formula | C17H23N5O2 · HCl |
| 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 L-Arginine 4-methoxy-β-naphthylamide hydrochloride used for?
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L-Arginine 4-methoxy-β-naphthylamide hydrochloride is primarily used as a fluorogenic enzyme substrate in biochemical research and activity assays.
What is the CAS number and formula for L-Arginine 4-methoxy-β-naphthylamide hydrochloride?
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The CAS number is 61876-75-3, and the empirical formula is C17H23N5O2 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product for research and laboratory use. The specific grade and purity are available upon request and are not represented as USP, BP, or EP grade unless explicitly stated.
What are the safety and handling considerations for this compound?
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This compound is classified with GHS08 symbol and a 'Warning' signal word, carrying the hazard statement H351 (Suspected of causing cancer). Appropriate personal protective equipment, including eyeshields and respiratory protection, should be used. Refer to the Safety Data Sheet for detailed handling procedures.
How is L-Arginine 4-methoxy-β-naphthylamide hydrochloride shipped and exported?
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Tech Serve Solutions, as a global supplier and exporter, ships and exports L-Arginine 4-methoxy-β-naphthylamide hydrochloride according to international regulations for chemical transport.
How can I request a sample or quote?
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To request a sample or quote for L-Arginine 4-methoxy-β-naphthylamide hydrochloride, please contact our sales department through the website or via email.
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