L-Cycloserine
L-Cycloserine (CAS: 339-72-0; C3H6N2O2) is a cyclic amino acid analogue with a molar mass of 102.09 g/mol. This compound functions as an inhibitor, primarily interacting with enzymes involved in cell wall synthesis. It is widely recognised for its application in microbiological research and as a biochemical reagent, particularly in studies related to bacterial growth and resistance mechanisms.
- IUPAC
- (S)-4-Amino-3-isoxazolidone

Antibacterial Agent Research
L-Cycloserine is utilised in research settings to study its mechanism of action against bacteria, particularly its role in inhibiting bacterial cell wall biosynthesis. This aids in understanding antibiotic resistance and developing new therapeutic strategies.
Enzyme Inhibition Studies
As a known inhibitor of D-alanine racemase and D-alanyl-D-alanine ligase, L-Cycloserine is a valuable tool for researchers investigating these enzymes and their importance in peptidoglycan synthesis.
Biochemical Reagent
This compound serves as a standard biochemical reagent in laboratories for various experimental procedures, including cell biology and microbial studies.
| Molecular weight | 102.09 |
|---|---|
| Empirical formula | C3H6N2O2 |
| Solubility | H2O: soluble50 mg/mg protein |
| Storage temperature | −20°C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 2 |
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-Cycloserine used for?
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L-Cycloserine is used in research for studying antibacterial mechanisms, particularly its role as an enzyme inhibitor in bacterial cell wall synthesis. It is also employed as a biochemical reagent in laboratory settings.
What are the CAS number and chemical formula for L-Cycloserine?
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The CAS number for L-Cycloserine is 339-72-0, and its chemical formula is C3H6N2O2.
What grade and purity does Tech Serve Solutions supply for L-Cycloserine?
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Tech Serve Solutions supplies L-Cycloserine with the empirical formula C3H6N2O2. Purity and grade details are available on the product's Certificate of Analysis. TSS does not represent this product as USP, BP, or EP grade unless explicitly stated.
How should L-Cycloserine be handled and stored?
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L-Cycloserine should be handled using appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. It should be stored at -20°C.
Is L-Cycloserine a controlled substance?
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The provided data does not indicate that L-Cycloserine is a controlled substance.
How can I request a sample or quote for L-Cycloserine?
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Please contact our sales team via the website or your dedicated account manager to request a sample or a quotation for L-Cycloserine.
How is L-Cycloserine packed, shipped, and exported?
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L-Cycloserine is packed according to industry standards to ensure safe transport and is available for global export. Specific packaging details can be provided upon request.
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