Z-val-bt
Z-val-bt (CAS 820239-44-9), with the empirical formula C19H20N4O3 and a molecular weight of 352.39 g/mol, is a benzotriazole amino acid derivative. These compounds serve as valuable reagents in chemical synthesis, particularly for the construction of peptides, peptidomimetics, and related conjugates. It is supplied by Tech Serve Solutions with a purity of 95% and requires storage at -20°C.
- IUPAC
- (S)-N-Z-1-Benzotriazolylcarbonyl-2-methylpropylamine,(S)-Benzyl 1-(1H-benzo[d][1,2,3]triazol-1-yl)-3-methyl-1-oxobutan-2-ylcarbamate

Peptide Synthesis
Benzotriazole amino acids, including Z-val-bt, are utilized as activated intermediates for efficient peptide bond formation in solution and solid-phase synthesis. They enable the coupling of amino acids with enhanced control and reduced side reactions.
Peptidomimetic Construction
This reagent facilitates the synthesis of peptidomimetics such as aminoxypeptides, depsipeptides, and heterocyclic analogs. These modified peptides can exhibit improved stability and altered biological activities compared to natural peptides.
Bioconjugation
Z-val-bt can be employed in the preparation of tagged peptides and peptidomimetics, including those functionalized with fluorescent labels. It also enables the formation of N-, O-, S-, and C-linked peptide conjugates for various biochemical applications.
| Molecular weight | 352.39 |
|---|---|
| Empirical formula | C19H20N4O3 |
| Assay | 95% |
| Storage temperature | −20°C |
| Application | Benzotriazole amino acids, or aminoacylbenzotriazolides, are versatile reagents for synthesizing peptides as well as their mimetics and conjugates. Benzotriazole amino acids have been used for the preparation of diverse derivatives including:• Polypeptidal benzotriazolides1• Peptidomimetics, such as aminoxypeptides2, depsipeptides3 and heterocyclic peptidomimetics4• Tagged peptides and peptidomimetics, particularly those with fluorescent labels5,6• N, O, S, and C linked peptide conjugates6 |
| Melting point | 110-115 °C |
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-val-bt used for?
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Z-val-bt is used in chemical synthesis, primarily for the preparation of peptides, peptidomimetics, and their conjugates, including fluorescently tagged variants.
What is the CAS number and formula for Z-val-bt?
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The CAS number for Z-val-bt is 820239-44-9, and its empirical formula is C19H20N4O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Z-val-bt with a purity of 95%. This product is intended for research and development purposes and is not supplied as USP, BP, EP, or pharmacopoeia grade.
How should Z-val-bt be handled and stored?
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Z-val-bt is classified as hazardous. Handle with appropriate personal protective equipment in a well-ventilated area. Store refrigerated at -20°C.
How can I request a sample or quote for Z-val-bt?
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To request a sample or a quote for Z-val-bt, please contact the Tech Serve Solutions sales team via our website or by phone.
Is Z-val-bt a controlled substance?
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The provided data does not indicate that Z-val-bt is a controlled substance.
How is Z-val-bt packed and shipped?
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Z-val-bt is carefully packed according to international shipping regulations for chemical compounds and is exported globally by Tech Serve Solutions.
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