trans-4-Hydroxy-L-proline β-naphthylamide
trans-4-Hydroxy-L-proline β-naphthylamide (CAS 3326-64-5), with the molecular formula C15H16N2O2, is a modified amino acid derivative supplied by Tech Serve Solutions. This compound serves as a key reagent for the colorimetric determination of specific bacterial peptidase enzymes. Its precise chemical structure and reactivity make it valuable in biochemical research and diagnostic applications for identifying enzyme activity.
- IUPAC
- HydroxyPro-betaNA
- Synonyms
- HydroxyPro-betaNA

Bacterial Peptidase Determination
trans-4-Hydroxy-L-proline β-naphthylamide is employed for the colorimetric assay of bacterial peptidase activity. This method allows for the sensitive and specific detection of these enzymes in various biological samples.
Biochemical Research Reagent
As a modified amino acid, this compound is useful in biochemical studies investigating enzyme kinetics and substrate specificity. Its structure is tailored for interaction with specific enzymatic targets.
Diagnostic Tool Development
The colour-forming reaction triggered by peptidase activity on this substrate can be utilised in the development of diagnostic tools for microbiology and clinical settings.
| Molecular weight | 256.30 |
|---|---|
| Empirical formula | C15H16N2O2 |
| Storage temperature | −20°C |
| Application | Trans-4-Hydroxy-L-proline β-naphthylamide (HydroxyPro-βNA) is used for colorimetric determination of bacterial peptidase(s). |

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 trans-4-Hydroxy-L-proline β-naphthylamide used for?
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This compound is primarily used for the colorimetric determination of bacterial peptidase activity. It acts as a substrate that releases a detectable colour upon enzymatic cleavage.
What are the CAS number and molecular formula for trans-4-Hydroxy-L-proline β-naphthylamide?
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The CAS number is 3326-64-5, and the molecular formula is C15H16N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies trans-4-Hydroxy-L-proline β-naphthylamide for research and laboratory use. The specific assay and purity are detailed in the product specifications; it is not represented as USP, BP, or EP grade.
How should trans-4-Hydroxy-L-proline β-naphthylamide be handled safely?
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Based on GHS classifications, this compound is suspected of causing cancer (H351). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator (e.g., N100 or P3 filter cartridges), and ensure adequate ventilation.
Is trans-4-Hydroxy-L-proline β-naphthylamide available for export?
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Yes, Tech Serve Solutions specialises in global supply and export of fine chemicals, including trans-4-Hydroxy-L-proline β-naphthylamide, to researchers and laboratories worldwide.
How can I request a sample or quote?
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To request a sample or a quotation for trans-4-Hydroxy-L-proline β-naphthylamide, please contact the Tech Serve Solutions sales team via our website or direct enquiry channels.
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