Boc-β-Ala-OH
Boc-β-Ala-OH (CAS: 3303-84-2) is a protected beta-amino acid with the linear formula (CH3)3CO2CNHCH2CH2CO2H and a molecular weight of 189.21 g/mol. This compound is a valuable building block in peptide synthesis, particularly for introducing unnatural amino acid residues. It is widely employed in chemical biology and organic synthesis for the construction of complex molecules and peptidomimetics, finding applications in pharmaceutical research and development.
- IUPAC
- Boc-β-alanine
- Synonyms
- N-(tert-Butoxycarbonyl)-beta-alanineN-Boc-beta-alanineBoc-beta-alanineBoc-B-Ala-OH

Peptide Synthesis
Boc-β-Ala-OH serves as a protected building block for incorporating beta-alanine residues into peptide chains. Its N-Boc protection allows for selective deprotection and further coupling reactions, facilitating the synthesis of modified peptides and peptidomimetics.
Chemical Synthesis
This compound is utilized in general organic synthesis as a versatile synthon. The presence of both the Boc protecting group and the free carboxylic acid enables a range of chemical transformations for constructing novel organic molecules.
Chemical Biology
In chemical biology, Boc-β-Ala-OH can be used to synthesize probes or labelled molecules. Its incorporation into biomolecules can aid in studying biological pathways or developing diagnostic tools.
Unnatural Amino Acid Research
As a derivative of an unnatural amino acid, Boc-β-Ala-OH is instrumental in research exploring the structure-activity relationships of peptides containing non-proteinogenic amino acids.
| Molecular weight | 189.21 |
|---|---|
| Linear formula | (CH3)3CO2CNHCH2CH2CO2H |
| Assay | ≥99.0% (TLC) |
| Melting point | 76-78 °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 Boc-β-Ala-OH used for?
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Boc-β-Ala-OH is primarily used as a protected building block in peptide synthesis, chemical biology research, and general organic synthesis for creating complex molecules and peptidomimetics.
What are the CAS number and formula for Boc-β-Ala-OH?
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The CAS number for Boc-β-Ala-OH is 3303-84-2, and its linear formula is (CH3)3CO2CNHCH2CH2CO2H.
What grade and purity does Tech Serve Solutions supply for Boc-β-Ala-OH?
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Tech Serve Solutions supplies Boc-β-Ala-OH with a purity of ≥99.0% (TLC). This is a technical or research grade material, and we do not represent it as USP, BP, EP, or pharmacopoeia grade.
How should Boc-β-Ala-OH be handled safely?
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Handling Boc-β-Ala-OH requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if airborne exposure is possible. The compound is classified with WGK Germany 3.
How is Boc-β-Ala-OH packed and shipped?
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Tech Serve Solutions exports fine chemicals globally, adhering to strict packaging and shipping regulations to ensure safe delivery worldwide. Please contact us for specific export and shipping details.
How can I request a sample or quote for Boc-β-Ala-OH?
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To request a sample or obtain a quote for Boc-β-Ala-OH, please use the contact form on our website or call our sales department directly. Specify the quantity required for your quotation.
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