L-Serine β-lactone tetrafluoroborate salt
L-Serine β-lactone tetrafluoroborate salt (CAS: 403655-97-0), with the molecular formula C3H6NO2 · BF4 and a molecular weight of 174.89 g/mol, is a specialised chemical building block. It is primarily utilised in asymmetric synthesis and peptide chemistry due to its chiral nature. This compound serves as a valuable reagent for constructing complex molecular architectures in organic and chemical synthesis research.
- IUPAC
- (S)-3-Amino-2-oxetanone tetrafluoroborate salt

Asymmetric Synthesis
This compound is employed as a chiral building block in asymmetric synthesis, enabling the stereoselective construction of complex organic molecules.
Peptide Chemistry
Its structure makes it suitable for use in peptide synthesis and the development of peptide-based therapeutics and research tools.
Heterocyclic Compound Synthesis
L-Serine β-lactone tetrafluoroborate salt can be used as a precursor for synthesising various heterocyclic compounds, including oxetanes.
Chemical Biology Research
It serves as a useful tool in chemical biology for creating novel biomolecules and studying biological processes.
| Molecular weight | 174.89 |
|---|---|
| Empirical formula | C3H6NO2 · BF4 |
| Assay | ≥98.0% (T) |
| Optical activity | [α]20/D −17±2°, c = 1% in DMF |
| Storage temperature | 2-8°C |
| Melting point | ~150 °C (dec.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 L-Serine β-lactone tetrafluoroborate salt used for?
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L-Serine β-lactone tetrafluoroborate salt is primarily used in asymmetric synthesis, peptide chemistry, heterocyclic compound synthesis, and chemical biology research as a specialised building block.
What is the CAS number and chemical formula for L-Serine β-lactone tetrafluoroborate salt?
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The CAS number is 403655-97-0, and the chemical formula is C3H6NO2 · BF4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Serine β-lactone tetrafluoroborate salt with an assay of ≥98.0% (T). This product is not represented as USP, BP, EP, or any pharmacopoeia grade.
How should L-Serine β-lactone tetrafluoroborate salt be handled?
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Handle with care. This compound is classified as irritating to the skin, eyes, and respiratory tract. Ensure adequate ventilation and use appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Store at 2-8°C.
How is this chemical packed and shipped?
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This chemical is carefully packed and exported by Tech Serve Solutions, adhering to all necessary shipping regulations for chemical compounds.
How can I request a quote or sample?
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To request a quote or sample of L-Serine β-lactone tetrafluoroborate salt, please contact our sales team through the website or by phone.
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