N-Acetyl-S-(3-oxopropyl)-L-cysteine

Name: N-Acetyl-S-(3-oxopropyl)-L-cysteine
Brand: Vaqora Chemicals
SKU: VQ-044560

About N-Acetyl-S-(3-oxopropyl)-L-cysteine

Listed under CAS 140226-30-8, N-Acetyl-S-(3-oxopropyl)-L-cysteine is an impurity of Acetylcysteine available from Vaqora Chemicals. The compound has the formula C8H13NO4S, corresponding to a molecular weight of 219.26 g/mol. The IUPAC name is (2R)-2-acetamido-3-(3-oxopropylsulfanyl)propanoic acid. Common synonyms include S-(3-Oxopropyl)-N-acetylcysteine and Sopa-cys.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Acetylcysteine to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer N-Acetyl-S-(3-oxopropyl)-L-cysteine 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 Acetylcysteine

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

Acetylcysteine impurities

Specifications & identifiers

Chemical identifiers
Product name	N-Acetyl-S-(3-oxopropyl)-L-cysteine
Catalogue No.	VQ-044560
CAS Number	140226-30-8
IUPAC name	(2R)-2-acetamido-3-(3-oxopropylsulfanyl)propanoic acid
Molecular formula	C₈H₁₃NO₄S
Molecular weight	219.26 g/mol
Exact mass	219.0565
Grade	Reference Standard
HSN code	38229090
InChIKey	OOMVCGSUXLINOO-ZETCQYMHSA-N
SMILES	CC(=O)N[C@@H](CSCCC=O)C(=O)O
PubChem CID	132277

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.7
H-bond donors / acceptors	2 / 5
TPSA	109 Å²
Synonyms	S-(3-Oxopropyl)-N-acetylcysteine, Sopa-cys, S-(3-Oxopropyl)-N-acetyl-L-cysteine, N-(1-Hydroxyethylidene)-S-(3-oxopropyl)cysteine, N-(1-Hydroxyethylidene)-S-(3-oxopropyl)-L-cysteine

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 N-Acetyl-S-(3-oxopropyl)-L-cysteine?

The CAS Registry Number of N-Acetyl-S-(3-oxopropyl)-L-cysteine is 140226-30-8. It is also known as S-(3-Oxopropyl)-N-acetylcysteine, Sopa-cys, S-(3-Oxopropyl)-N-acetyl-L-cysteine.

What is the molecular formula and molecular weight of N-Acetyl-S-(3-oxopropyl)-L-cysteine?

N-Acetyl-S-(3-oxopropyl)-L-cysteine has the molecular formula C8H13NO4S and a molecular weight of 219.26 g/mol. Its IUPAC name is (2R)-2-acetamido-3-(3-oxopropylsulfanyl)propanoic acid.

What is N-Acetyl-S-(3-oxopropyl)-L-cysteine used for?

N-Acetyl-S-(3-oxopropyl)-L-cysteine is supplied as a characterised reference material related to Acetylcysteine. 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 N-Acetyl-S-(3-oxopropyl)-L-cysteine can I order?

We supply N-Acetyl-S-(3-oxopropyl)-L-cysteine 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 N-Acetyl-S-(3-oxopropyl)-L-cysteine?

Yes. Every lot of N-Acetyl-S-(3-oxopropyl)-L-cysteine 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 N-Acetyl-S-(3-oxopropyl)-L-cysteine be shipped internationally?

Yes. We export N-Acetyl-S-(3-oxopropyl)-L-cysteine worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.