S-((Carboxymethyl)thio)-L-cysteine

Name: S-((Carboxymethyl)thio)-L-cysteine
Brand: Vaqora Chemicals
SKU: VQ-035467

About S-((Carboxymethyl)thio)-L-cysteine

Listed under CAS 15253-37-9, S-((Carboxymethyl)thio)-L-cysteine is an impurity of Carbocisteine available from Vaqora Chemicals. With the molecular formula C5H9NO4S2, it has a molar mass of 211.3 g/mol. The IUPAC name is (2R)-2-amino-3-(carboxymethyldisulfanyl)propanoic acid. Common synonyms include S-Carboxymethylthiocysteine and 3-((Carboxymethyl)dithio)-L-alanine.

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.

This Carbocisteine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies S-((Carboxymethyl)thio)-L-cysteine 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 Carbocisteine

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

Carbocisteine impurities

Specifications & identifiers

Chemical identifiers
Product name	S-((Carboxymethyl)thio)-L-cysteine
Catalogue No.	VQ-035467
CAS Number	15253-37-9
IUPAC name	(2R)-2-amino-3-(carboxymethyldisulfanyl)propanoic acid
Molecular formula	C₅H₉NO₄S₂
Molecular weight	211.3 g/mol
Exact mass	210.9973
Grade	Reference Standard
HSN code	38229090
InChIKey	UNYCMVYZPHQQBE-VKHMYHEASA-N
SMILES	C([C@@H](C(=O)O)N)SSCC(=O)O
PubChem CID	167267

Physical properties
Physical form	Solid
LogP (XLogP3)	-3.1
H-bond donors / acceptors	3 / 7
TPSA	151 Å²
Synonyms	S-Carboxymethylthiocysteine, 3-((Carboxymethyl)dithio)-L-alanine, (2R)-2-amino-3-[(carboxymethyl)disulfanyl]propanoic acid, 3-[(carboxymethyl)disulfanyl]-l-alanine, (R)-2-Amino-3-((carboxymethyl)disulfanyl)propanoic acid

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-((Carboxymethyl)thio)-L-cysteine?

The CAS Registry Number of S-((Carboxymethyl)thio)-L-cysteine is 15253-37-9. It is also known as S-Carboxymethylthiocysteine, 3-((Carboxymethyl)dithio)-L-alanine, (2R)-2-amino-3-[(carboxymethyl)disulfanyl]propanoic acid.

What is the molecular formula and molecular weight of S-((Carboxymethyl)thio)-L-cysteine?

S-((Carboxymethyl)thio)-L-cysteine has the molecular formula C5H9NO4S2 and a molecular weight of 211.3 g/mol. Its IUPAC name is (2R)-2-amino-3-(carboxymethyldisulfanyl)propanoic acid.

What is S-((Carboxymethyl)thio)-L-cysteine used for?

S-((Carboxymethyl)thio)-L-cysteine is supplied as a characterised reference material related to Carbocisteine. 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-((Carboxymethyl)thio)-L-cysteine can I order?

We supply S-((Carboxymethyl)thio)-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 S-((Carboxymethyl)thio)-L-cysteine?

Yes. Every lot of S-((Carboxymethyl)thio)-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 S-((Carboxymethyl)thio)-L-cysteine be shipped internationally?

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