Molekula
D-Cycloserine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
D-Cycloserine is a synthetic antibiotic and NMDA receptor glycine-site partial agonist used in the treatment of tuberculosis and studied for its neuroprotective and cognitive-enhancing properties. It functions as a structural analog of D-alanine, inhibiting bacterial cell wall synthesis. Available in powder form with a molecular weight of 102.09 g/mol, its CAS number is 68-41-7, and it has the molecular formula C3H6N2O2. Store at -15 to -20 °C. Molekula supplies D-Cycloserine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 g — £19.50 per pack ex VAT · £23.40 inc. VAT
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5 g — £57.10 per pack ex VAT · £68.52 inc. VAT
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25 g — £148.90 per pack ex VAT · £178.68 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white powder |
| Specific rotation | +108 ~ +114 |
| pH | 5.5 - 6.5 |
| Loss on Drying | ≤1.0% |
| Assay | ≥900ug/mg |
| Residue on Ignition | ≤0.5% |
| FT-IR | Conforms |
| Condensation products | ≤0.80 (at 285nm) |
| NMR | Conforms |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Crystals |
| Odour | Odorless or has faint odor |
| Melting Point | 155-156 °C (decomposes) |
| Refractive Index | 1.583 |
Source: PubChem CID 6234 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 69907662 |
| CAS Number | 68-41-7 |
| IUPAC Name | (4R)-4-amino-1,2-oxazolidin-3-one |
| EC Number | 200-688-4 |
| Molecular Formula | C3H6N2O2 |
| Molecular Weight | 102.09 |
| Exact Mass | 102.0429 |
| SMILES | C1[C@H](C(=O)NO1)N |
| InChIKey | DYDCUQKUCUHJBH-UWTATZPHSA-N |
| InChI | InChI=1S/C3H6N2O2/c4-2-1-7-5-3(2)6/h2H,1,4H2,(H,5,6)/t2-/m1/s1 |
| PubChem CID | 6234 |
| REACH Code | Y110 |
| HTS Code | 2941.90.3000 |
| Tariff Code | 2941900000 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Cicloserina
- Cyclo-D-serine
- Cyclorin
- cycloserine
- Farmiserina
- orientomycin
- Oxamycin
- Seromycin
- Tisomycin
- Wasserina
Frequently asked questions
What is D-Cycloserine used for?
D-Cycloserine is primarily used as an antibiotic for treating tuberculosis and is also studied for its potential in enhancing cognitive behavioral therapy for mental health conditions.
What is the chemical formula and molecular weight of D-Cycloserine?
The chemical formula is C3H6N2O2 with a molecular weight of 102.09 g/mol.
How should D-Cycloserine be stored?
D-Cycloserine should be stored at temperatures between -15 and -20 °C to maintain stability.
What grade of D-Cycloserine does Molekula supply?
Molekula supplies D-Cycloserine in research-grade quality suitable for laboratory use.
Can Molekula supply D-Cycloserine in bulk?
Yes, Molekula can supply D-Cycloserine in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a D-Cycloserine order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation is available upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.