L-Cycloserine

Name: L-Cycloserine
Brand: Vaqora Chemicals
SKU: VQ-025115

About L-Cycloserine

L-Cycloserine (CAS 339-72-0) is an impurity of Cycloserine offered by Vaqora Chemicals. With the molecular formula C3H6N2O2, it has a molar mass of 102.09 g/mol. Systematically, it is named (4S)-4-amino-1,2-oxazolidin-3-one. Alternative names: Levcycloserine and Cyclo-L-serine.

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. It carries the GHS signal word “Warning” with 5 hazard statements. Review the Safety Data Sheet before use.

This Cycloserine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies L-Cycloserine in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Cycloserine

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

Cycloserine impurities

Specifications & identifiers

Chemical identifiers
Product name	L-Cycloserine
Catalogue No.	VQ-025115
CAS Number	339-72-0
IUPAC name	(4S)-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-REOHCLBHSA-N
SMILES	C1[C@@H](C(=O)NO1)N
PubChem CID	449215

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.5
H-bond donors / acceptors	2 / 3
TPSA	64.4 Å²
Synonyms	Levcycloserine, Cyclo-L-serine, (S)-(-)-Cycloserine, (S)-4-Amino-3-isoxazolidinone, L-4-Aminoisoxazolidin-3-one, L-Oxamicina, Cycloserine, l-, (4S)-4-aminoisoxazolidin-3-one, L-4-Amino-3-isoxazolidinone, (-)-cycloserine, (-)-4-Amino-3-isossazolidone, 3-Isoxazolidinone, 4-amino-, (S)-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, 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 L-Cycloserine?

The CAS Registry Number of L-Cycloserine is 339-72-0. It is also known as Levcycloserine, Cyclo-L-serine, (S)-(-)-Cycloserine.

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

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

What is L-Cycloserine used for?

L-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 L-Cycloserine can I order?

We supply L-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 L-Cycloserine?

Yes. Every lot of L-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 L-Cycloserine be shipped internationally?

Yes. L-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.