DL-β-Leucine
DL-β-Leucine (CAS: 5699-54-7), with the molecular formula C6H13NO2 and a molecular weight of 131.17 g/mol, is an unnatural amino acid derivative. This beta-amino acid is a valuable building block in chemical synthesis and peptide chemistry. Its unique structure makes it useful in developing novel compounds for chemical biology research and as an intermediate in the synthesis of complex molecules. It is supplied by Tech Serve Solutions for research and development purposes.
- IUPAC
- (±)-3-Amino-4-methylpentanoic acid,(±)-3-Amino-4-methylvaleric acid

Chemical Synthesis
DL-β-Leucine serves as a chiral building block in the synthesis of complex organic molecules. Its incorporation can introduce unique structural features and functionalities into target compounds.
Peptide Chemistry
As a beta-amino acid, DL-β-Leucine can be incorporated into peptides to create peptidomimetics or unnatural peptide analogues. These modified peptides may exhibit altered stability, conformation, or biological activity compared to their natural counterparts.
Chemical Biology Research
This unnatural amino acid is utilized in chemical biology to probe biological systems or to develop novel probes and therapeutics. Its distinct structural properties allow for the investigation of protein-ligand interactions and enzyme mechanisms.
| Molecular weight | 131.17 |
|---|---|
| Empirical formula | C6H13NO2 |
| Assay | ≥98.0% (NT) |
| 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 DL-β-Leucine used for?
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DL-β-Leucine is primarily used in chemical synthesis, peptide chemistry, and chemical biology research as a building block for creating unnatural amino acid derivatives and peptidomimetics.
What is the CAS number and molecular formula for DL-β-Leucine?
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The CAS number for DL-β-Leucine is 5699-54-7, and its molecular formula is C6H13NO2.
What grade and purity does Tech Serve Solutions supply for DL-β-Leucine?
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Tech Serve Solutions supplies DL-β-Leucine with an assay of ≥98.0% (NT). This product is intended for research and laboratory use and is not supplied as USP, BP, EP, or pharmaceutical grade.
How should DL-β-Leucine be handled safely?
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When handling DL-β-Leucine, it is essential to wear safety eyeshields and gloves. A respirator filter of type N95 (US) or P1 (EN143) should be used if airborne exposure is a risk. Refer to the Safety Data Sheet for comprehensive handling information.
Does Tech Serve Solutions export DL-β-Leucine?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including DL-β-Leucine.
How can I request a quote or sample of DL-β-Leucine?
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To request a quote or sample of DL-β-Leucine, please contact our sales team through the website or by phone, referencing the product CAS number 5699-54-7.
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