3-(1-Pyrazolyl)-L-alanine
3-(1-Pyrazolyl)-L-alanine (CAS 2734-48-7), with the molecular formula C6H9N3O2, is an unnatural amino acid derivative. It is a chiral building block employed in chemical synthesis, particularly within peptide chemistry and chemical biology research. Its unique pyrazolyl side chain offers distinct structural and functional properties for the development of novel peptides and biomolecules. Supplied by TSS with a minimum assay of 95.0% (HPLC).
- IUPAC
- (S)-2-Amino-3-(1-pyrazolyl)propionic acid

Peptide Synthesis
This unnatural amino acid serves as a valuable building block in solid-phase and solution-phase peptide synthesis. It allows for the incorporation of a pyrazolyl moiety into peptide backbones, enabling the exploration of novel peptide structures and functionalities.
Chemical Biology Research
Used as a probe or modified residue in biochemical studies, 3-(1-Pyrazolyl)-L-alanine can aid in investigating protein-ligand interactions or enzyme mechanisms. Its structure can influence molecular recognition and binding affinities.
Drug Discovery & Medicinal Chemistry
The pyrazole ring system is a common pharmacophore. This alanine derivative can be utilized in the synthesis of peptidomimetics or small molecules targeting various biological pathways, contributing to early-stage drug discovery efforts.
Organic Synthesis Intermediate
As a chiral compound, it acts as a versatile intermediate in complex organic synthesis pathways. It is particularly useful for constructing molecules where precise stereochemistry and the presence of a pyrazolyl group are required.
| Molecular weight | 155.15 |
|---|---|
| Empirical formula | C6H9N3O2 |
| Assay | ≥95.0% (HPLC) |
| Optical purity | ee: >99% (due to stereospecific enzymatic synthesis) |
| Storage temperature | 2-8°C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 3-(1-Pyrazolyl)-L-alanine used for?
+
3-(1-Pyrazolyl)-L-alanine is used as a building block in peptide synthesis, chemical biology research, drug discovery, and as an intermediate in organic synthesis. Its unique structure allows for the creation of novel peptides and biomolecules with specific properties.
What is the CAS number and formula for 3-(1-Pyrazolyl)-L-alanine?
+
The CAS number for 3-(1-Pyrazolyl)-L-alanine is 2734-48-7, and its molecular formula is C6H9N3O2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 3-(1-Pyrazolyl)-L-alanine with a minimum assay of ≥95.0% (HPLC). TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 3-(1-Pyrazolyl)-L-alanine be handled and stored?
+
Handle with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Store at 2-8°C.
Is 3-(1-Pyrazolyl)-L-alanine a hazardous substance?
+
According to the supplied data, this compound is classified with a WGK (Germany) rating of 3, indicating it is hazardous. Always consult the Safety Data Sheet (SDS) for comprehensive hazard information.
How is 3-(1-Pyrazolyl)-L-alanine packed, shipped, and exported?
+
Tech Serve Solutions packs and exports fine chemicals, laboratory reagents, and pharmaceutical intermediates globally, adhering to international shipping regulations. Specific packaging details are available upon request.
How can I request a sample or quote for 3-(1-Pyrazolyl)-L-alanine?
+
To request a sample or a quote, please contact our sales team through the TSS website or by phone, referencing the product name and CAS number 2734-48-7.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis