(S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate 358629-51-3

Name: (S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate
Brand: Vaqora Chemicals
SKU: VQ-031509

About (S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate

Listed under CAS 358629-51-3, (S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate is an impurity of Levetiracetam available from Vaqora Chemicals. Formula C9H15NO3, molecular weight 185.22 g/mol. The IUPAC name is methyl (2S)-2-(2-oxopyrrolidin-1-yl)butanoate. Alternative names: methyl (S)-2-(2-oxopyrrolidin-1-yl)butanoate and Levetiracetam methyl ester.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Levetiracetam to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer (S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Levetiracetam

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

Levetiracetam impurities

Specifications & identifiers

Chemical identifiers
Product name	(S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate
Catalogue No.	VQ-031509
CAS Number	358629-51-3
IUPAC name	methyl (2S)-2-(2-oxopyrrolidin-1-yl)butanoate
Molecular formula	C₉H₁₅NO₃
Molecular weight	185.22 g/mol
Exact mass	185.1052
Grade	Reference Standard
HSN code	38229090
InChIKey	QRQVFVYABBZXFO-ZETCQYMHSA-N
SMILES	CC[C@@H](C(=O)OC)N1CCCC1=O
PubChem CID	9834145

Physical properties
Physical form	Solid
LogP (XLogP3)	0.6
H-bond donors / acceptors	0 / 3
TPSA	46.6 Å²
Synonyms	methyl (S)-2-(2-oxopyrrolidin-1-yl)butanoate, Levetiracetam methyl ester, (2s)-2-(2-oxopyrrolidin-1-yl)butanoic acid methyl ester, (S)-2-(2-Oxopyrrolizino)butanoic acid methyl ester, 1-Pyrrolidineacetic acid, alpha-ethyl-2-oxo-, methyl ester, (alphaS)-, (S)-alpha-ethyl-2-oxo pyrrolidine acetic acid methyl ester

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H318Causes serious eye damage

Precautionary statements: P264 + P265, P280, P305 + P354 + P338, P317

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 (S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate?

The CAS Registry Number of (S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate is 358629-51-3. It is also known as methyl (S)-2-(2-oxopyrrolidin-1-yl)butanoate, Levetiracetam methyl ester, (2s)-2-(2-oxopyrrolidin-1-yl)butanoic acid methyl ester.

What is the molecular formula and molecular weight of (S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate?

(S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate has the molecular formula C9H15NO3 and a molecular weight of 185.22 g/mol. Its IUPAC name is methyl (2S)-2-(2-oxopyrrolidin-1-yl)butanoate.

What is (S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate used for?

(S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate is supplied as a characterised reference material related to Levetiracetam. 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 (S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate can I order?

We supply (S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate 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 (S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate?

Yes. Every lot of (S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate 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 (S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate be shipped internationally?

Yes. (S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate 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.