Clopidogrel N-Oxide

About Clopidogrel N-Oxide

Clopidogrel N-Oxide is a metabolite or degradation product of Clopidogrel carrying the CAS registry number 1319197-71-1. Formula C16H16ClNO3S, molecular weight 337.8 g/mol. Its systematic (IUPAC) name is methyl (2S)-2-(2-chlorophenyl)-2-(5-oxido-6,7-dihydro-4H-thieno[3,2-c]pyridin-5-ium-5-yl)acetate. Alternative names: S-Clopidogrel N-Oxide.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

Analytical teams use this compound to identify metabolites and degradants of Clopidogrel, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Clopidogrel N-Oxide in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Clopidogrel

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

Clopidogrel impurities

Specifications & identifiers

Chemical identifiers
Product name	Clopidogrel N-Oxide
Catalogue No.	VQ-029899
CAS Number	1319197-71-1
IUPAC name	methyl (2S)-2-(2-chlorophenyl)-2-(5-oxido-6,7-dihydro-4H-thieno[3,2-c]pyridin-5-ium-5-yl)acetate
Molecular formula	C₁₆H₁₆ClNO₃S
Molecular weight	337.8 g/mol
Exact mass	337.0539
Grade	Reference Standard
HSN code	38229090
InChIKey	GYAQMDGEXWMAFB-BUSXIPJBSA-N
SMILES	COC(=O)[C@H](C1=CC=CC=C1Cl)[N+]2(CCC3=C(C2)C=CS3)[O-]
PubChem CID	170905142

Physical properties
Physical form	Solid
LogP (XLogP3)	3.2
H-bond donors / acceptors	0 / 4
TPSA	72.6 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 Clopidogrel N-Oxide?

The CAS Registry Number of Clopidogrel N-Oxide is 1319197-71-1. It is also known as S-Clopidogrel N-Oxide.

What is the molecular formula and molecular weight of Clopidogrel N-Oxide?

Clopidogrel N-Oxide has the molecular formula C16H16ClNO3S and a molecular weight of 337.8 g/mol. Its IUPAC name is methyl (2S)-2-(2-chlorophenyl)-2-(5-oxido-6,7-dihydro-4H-thieno[3,2-c]pyridin-5-ium-5-yl)acetate.

What is Clopidogrel N-Oxide used for?

Clopidogrel N-Oxide is supplied as a characterised reference material related to Clopidogrel. 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 Clopidogrel N-Oxide can I order?

We supply Clopidogrel N-Oxide 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 Clopidogrel N-Oxide?

Yes. Every lot of Clopidogrel N-Oxide 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 Clopidogrel N-Oxide be shipped internationally?

Yes. We export Clopidogrel N-Oxide worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.