Clopidogrel EP Impurity D

About Clopidogrel EP Impurity D

Clopidogrel EP Impurity D is a pharmacopeial impurity of Clopidogrel carrying the CAS registry number 1421283-60-4. With the molecular formula C24H21Cl2NO4S, it has a molar mass of 490.4 g/mol. Alternative names: Clopidogrel Hydrochloride - Impurity D and Clopidogrel Hydrogen Sulfate - Impurity D.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

This Clopidogrel impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Clopidogrel

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

Clopidogrel impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Clopidogrel EP Impurity D
Catalogue No.	VQ-025060
CAS Number	1421283-60-4
IUPAC name	[(1R)-1-(2-chlorophenyl)-2-methoxy-2-oxoethyl] (2S)-2-(2-chlorophenyl)-2-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)acetate
Molecular formula	C₂₄H₂₁Cl₂NO₄S
Molecular weight	490.4 g/mol
Exact mass	489.0568
Grade	Reference Standard
HSN code	38229090
InChIKey	WYMQFSIDOUJQGN-FCHUYYIVSA-N
SMILES	COC(=O)[C@@H](C1=CC=CC=C1Cl)OC(=O)[C@H](C2=CC=CC=C2Cl)N3CCC4=C(C3)C=CS4
PubChem CID	124222880

Physical properties
Physical form	Solid
LogP (XLogP3)	6
H-bond donors / acceptors	0 / 6
TPSA	84.1 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 EP Impurity D?

The CAS Registry Number of Clopidogrel EP Impurity D is 1421283-60-4. It is also known as Clopidogrel Hydrochloride - Impurity D, Clopidogrel Hydrogen Sulfate - Impurity D, Clopidogrel Carboxylic Acid [Methyl (R)-o-chloromandelate] Ester.

What is the molecular formula and molecular weight of Clopidogrel EP Impurity D?

Clopidogrel EP Impurity D has the molecular formula C24H21Cl2NO4S and a molecular weight of 490.4 g/mol. Its IUPAC name is [(1R)-1-(2-chlorophenyl)-2-methoxy-2-oxoethyl] (2S)-2-(2-chlorophenyl)-2-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)acetate.

What is Clopidogrel EP Impurity D used for?

Clopidogrel EP Impurity D 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 EP Impurity D can I order?

We supply Clopidogrel EP Impurity D 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 EP Impurity D?

Yes. Every lot of Clopidogrel EP Impurity D 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 EP Impurity D be shipped internationally?

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