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API Impurities

L-Cycloserine

Reference StandardAvailable on request

Order L-Cycloserine (CAS 339-72-0) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Part of our API Impurities range.

Pack sizes
L-Cycloserine chemical structure
CAS number339-72-0
FormulaC3H6N2O2
Molar mass102.09 g/mol
Physical formSolid
HS code38229090
InChIKeyDYDCUQKUCUHJBH-REOHCLBHSA-N
IUPAC name(4S)-4-amino-1,2-oxazolidin-3-one

About L-Cycloserine

L-Cycloserine belongs to the Cycloserine reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 339-72-0, formula C3H6N2O2 and molar mass 102.09 g/mol. It is handled as a solid.

Where it is used

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

Safe handling

Hazard communication follows GHS (Warning: H302, H315, H319 and H332). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Cycloserine

See every impurity, metabolite and related compound we list for this API.

Cycloserine standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of L-Cycloserine
Product nameL-Cycloserine
Catalogue numberZX-024083
CAS number339-72-0
IUPAC name(4S)-4-amino-1,2-oxazolidin-3-one
Molecular formulaC3H6N2O2
Molar mass102.09 g/mol
Exact mass102.0429
GradeReference Standard
Physical formSolid
XLogP3-1.5
H-bond donors / acceptors2 / 3
Topological polar surface area64.4 Ų
HS code38229090
InChIKeyDYDCUQKUCUHJBH-REOHCLBHSA-N
SMILESC1[C@@H](C(=O)NO1)N
PubChem CID449215
SynonymsLevcycloserine, 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)-

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of L-Cycloserine
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about L-Cycloserine

Which CAS number identifies L-Cycloserine?
L-Cycloserine is registered under CAS 339-72-0. You may also see it listed as Levcycloserine, Cyclo-L-serine, (S)-(-)-Cycloserine. Our catalogue number for this item is ZX-024083.
What are the formula and molar mass of L-Cycloserine?
For L-Cycloserine, its formula is C3H6N2O2 and its molar mass is 102.09 g/mol. The systematic (IUPAC) name is (4S)-4-amino-1,2-oxazolidin-3-one. InChIKey DYDCUQKUCUHJBH-REOHCLBHSA-N lets you match it in any structure database.
How is L-Cycloserine used in pharmaceutical QC?
L-Cycloserine is a characterised reference material linked to Cycloserine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for L-Cycloserine?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with L-Cycloserine?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship L-Cycloserine to my country?
Yes. Because L-Cycloserine is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Cycloserine standards

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