N-Acetyl-3-sulfino-L-alanine

Name: N-Acetyl-3-sulfino-L-alanine
Brand: Vaqora Chemicals
SKU: VQ-034996

About N-Acetyl-3-sulfino-L-alanine

Listed under CAS 282727-77-9, N-Acetyl-3-sulfino-L-alanine is an impurity of Acetylcysteine available from Vaqora Chemicals. Formula C5H9NO5S, molecular weight 195.2 g/mol. The IUPAC name is (2R)-2-acetamido-3-sulfinopropanoic acid. Common synonyms include Acetyl(sulfino)-D-alanine and sodium (R)-2-acetamido-3-sulfinatopropanoate.

The product is provided 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.

As a characterised impurity of Acetylcysteine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies N-Acetyl-3-sulfino-L-alanine 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 Acetylcysteine

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

Acetylcysteine impurities

Specifications & identifiers

Chemical identifiers
Product name	N-Acetyl-3-sulfino-L-alanine
Catalogue No.	VQ-034996
CAS Number	282727-77-9
IUPAC name	(2R)-2-acetamido-3-sulfinopropanoic acid
Molecular formula	C₅H₉NO₅S
Molecular weight	195.2 g/mol
Exact mass	195.0201
Grade	Reference Standard
HSN code	38229090
InChIKey	OLDOHNVNKOLFSP-BYPYZUCNSA-N
SMILES	CC(=O)N[C@@H](CS(=O)O)C(=O)O
PubChem CID	168440062

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.7
H-bond donors / acceptors	3 / 6
TPSA	123 Å²

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-3-sulfino-L-alanine?

The CAS Registry Number of N-Acetyl-3-sulfino-L-alanine is 282727-77-9. It is also known as Acetyl(sulfino)-D-alanine, sodium (R)-2-acetamido-3-sulfinatopropanoate.

What is the molecular formula and molecular weight of N-Acetyl-3-sulfino-L-alanine?

N-Acetyl-3-sulfino-L-alanine has the molecular formula C5H9NO5S and a molecular weight of 195.2 g/mol. Its IUPAC name is (2R)-2-acetamido-3-sulfinopropanoic acid.

What is N-Acetyl-3-sulfino-L-alanine used for?

N-Acetyl-3-sulfino-L-alanine 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-3-sulfino-L-alanine can I order?

We supply N-Acetyl-3-sulfino-L-alanine 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-3-sulfino-L-alanine?

Yes. Every lot of N-Acetyl-3-sulfino-L-alanine 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-3-sulfino-L-alanine be shipped internationally?

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