DL-Cycloserine

Name: DL-Cycloserine
Brand: Vaqora Chemicals
SKU: VQ-047894

About DL-Cycloserine

DL-Cycloserine (CAS 68-39-3) is a high-purity reference standard of Cycloserine offered by Vaqora Chemicals. The compound has the formula C3H6N2O2, corresponding to a molecular weight of 102.09 g/mol. Systematically, it is named 4-amino-1,2-oxazolidin-3-one. Common synonyms include rac Cycloserine and 4-Amino-3-isoxazolidinone.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Laboratories use this Cycloserine standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer DL-Cycloserine in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Cycloserine

View every impurity, metabolite and intermediate we list for Cycloserine.

Cycloserine impurities

Specifications & identifiers

Chemical identifiers
Product name	DL-Cycloserine
Catalogue No.	VQ-047894
CAS Number	68-39-3
IUPAC name	4-amino-1,2-oxazolidin-3-one
Molecular formula	C₃H₆N₂O₂
Molecular weight	102.09 g/mol
Exact mass	102.0429
Grade	Reference Standard
HSN code	38229090
InChIKey	DYDCUQKUCUHJBH-UHFFFAOYSA-N
SMILES	C1C(C(=O)NO1)N
PubChem CID	401

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.5
H-bond donors / acceptors	2 / 3
TPSA	64.4 Å²
Synonyms	rac Cycloserine, 4-Amino-3-isoxazolidinone, DL-4-Aminoisoxazolidin-3-one, DL-4-Amino-3-isoxazolidinone, DL-4-amino-1,2-oxazolidin-3-one, 4-Aminoisoxazolidin-3-one, 3-Isoxazolidinone, 4-amino-, (+-)-Oxamicina, (+-)-4-Amino-3-isossazolidone, 4-Amino-isoxazolidin-3-on, 3-Isoxazolidinone, (+)-, 3-Isoxazolidinone, d-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of DL-Cycloserine?

The CAS Registry Number of DL-Cycloserine is 68-39-3. It is also known as rac Cycloserine, 4-Amino-3-isoxazolidinone, DL-4-Aminoisoxazolidin-3-one.

What is the molecular formula and molecular weight of DL-Cycloserine?

DL-Cycloserine has the molecular formula C3H6N2O2 and a molecular weight of 102.09 g/mol. Its IUPAC name is 4-amino-1,2-oxazolidin-3-one.

What is DL-Cycloserine used for?

DL-Cycloserine is supplied as a characterised reference material related to Cycloserine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of DL-Cycloserine can I order?

We supply DL-Cycloserine in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with DL-Cycloserine?

Yes. Every lot of DL-Cycloserine is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can DL-Cycloserine be shipped internationally?

Yes. DL-Cycloserine is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.