Z-β-Ala-ONp
Z-β-Ala-ONp (CAS 3642-91-9), with the empirical formula C17H16N2O6 and a molecular weight of 344.32 g/mol, is a derivative of beta-alanine. This compound finds application in peptide chemistry and chemical synthesis, particularly in research settings involving unnatural amino acid derivatives and chemical biology. Its use is primarily as a building block or reagent in complex organic synthesis pathways.
- IUPAC
- Z-β-alanine 4-nitrophenyl ester

Peptide Synthesis
Z-β-Ala-ONp serves as a protected amino acid derivative for the incorporation of beta-alanine into peptide chains. This enables the creation of modified peptides with altered structural or functional properties compared to their natural counterparts.
Chemical Biology Research
As an unnatural amino acid derivative, it is valuable in chemical biology for probing biological systems. Researchers utilise such compounds to study protein structure, function, and interactions in novel ways.
Organic Synthesis Reagent
The compound acts as a useful reagent in broader organic synthesis, facilitating the construction of complex molecules. Its specific functional groups allow for targeted chemical transformations.
| Molecular weight | 344.32 |
|---|---|
| Empirical formula | C17H16N2O6 |
| Assay | ≥98.0% (HPLC) |
| Storage temperature | 2-8°C |


Hazard statements
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H400Very toxic to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi,N |
| Risk statements (R) | 36/37/38-43-50 |
| Safety statements (S) | 26-36/37-61 |
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 Z-β-Ala-ONp used for?
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Z-β-Ala-ONp is primarily used in peptide synthesis, chemical biology research, and as a reagent in organic synthesis, particularly for creating unnatural amino acid derivatives.
What are the CAS number and formula for Z-β-Ala-ONp?
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The CAS number for Z-β-Ala-ONp is 3642-91-9, and its empirical formula is C17H16N2O6.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Z-β-Ala-ONp with an assay of ≥98.0% determined by HPLC. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should Z-β-Ala-ONp be handled safely?
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Handle Z-β-Ala-ONp with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, faceshields, and gloves. Avoid breathing dust and ensure adequate ventilation. It is classified with GHS07 and GHS09 symbols, indicating it can cause skin irritation, allergic skin reaction, serious eye irritation, and respiratory irritation, and is hazardous to the aquatic environment.
Is Z-β-Ala-ONp a controlled substance?
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The provided data does not indicate that Z-β-Ala-ONp is a controlled substance.
How is Z-β-Ala-ONp packed and shipped?
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Z-β-Ala-ONp is typically stored at 2-8°C. For shipping and export, it is packaged according to international regulations, including UN 3077 classification for environmentally hazardous substances.
How can I request a sample or quote for Z-β-Ala-ONp?
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To request a sample or a quote for Z-β-Ala-ONp, please contact our sales department through the website or by phone.
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