Clopidogrel EP Impurity A

Name: Clopidogrel EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-029894

About Clopidogrel EP Impurity A

Clopidogrel EP Impurity A (CAS 144457-28-3) is a pharmacopeial impurity of Clopidogrel offered by Vaqora Chemicals. With the molecular formula C15H14ClNO2S, it has a molar mass of 307.8 g/mol. The IUPAC name is (2S)-2-(2-chlorophenyl)-2-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)acetic acid. It is also known as Clopidogrel Carboxylic Acid or Discontinued See C587235.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

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.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Clopidogrel EP Impurity A is dispatched with a Certificate of Analysis (COA) to destinations 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 A
Catalogue No.	VQ-029894
CAS Number	144457-28-3
IUPAC name	(2S)-2-(2-chlorophenyl)-2-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)acetic acid
Molecular formula	C₁₅H₁₄ClNO₂S
Molecular weight	307.8 g/mol
Exact mass	307.0434
Grade	Reference Standard
HSN code	38229090
InChIKey	DCASRSISIKYPDD-AWEZNQCLSA-N
SMILES	C1CN(CC2=C1SC=C2)[C@@H](C3=CC=CC=C3Cl)C(=O)O
PubChem CID	9861403

Physical properties
Physical form	Solid
LogP (XLogP3)	1.1
H-bond donors / acceptors	1 / 4
TPSA	68.8 Å²
Synonyms	Clopidogrel Carboxylic Acid, Clopidogrel Hydrochloride - Impurity A (Freebase), Clopidogrel Hydrogen Sulfate - Impurity A (Freebase), Thieno(3,2-C)pyridine-5(4H)-acetic acid, alpha-(2-chlorophenyl)-6,7-dihydro-, (alphaS)-, Thieno[3,2-c]pyridine-5(4H)-acetic acid, alpha-(2-chlorophenyl)-6,7-dihydro-, (alphaS)-, (S)-2-(2-Chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid, Discontinued See C587235, (S)-A-(2-Chlorophenyl)-6,7-Dihydrothieno[3,2-C]Pyridine-5(4H)-Acetic Acid, (S)-2-(2-Chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)aceticacid, (2S)-(2-Chlorophenyl)(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid, (S)-(+)-alpha-(2-chlorophenyl)-6,7-dihydro-4H-thieno[3,2-c]pyridine-5-acetic 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 Clopidogrel EP Impurity A?

The CAS Registry Number of Clopidogrel EP Impurity A is 144457-28-3. It is also known as Clopidogrel Carboxylic Acid, Clopidogrel Hydrochloride - Impurity A (Freebase), Clopidogrel Hydrogen Sulfate - Impurity A (Freebase).

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

Clopidogrel EP Impurity A has the molecular formula C15H14ClNO2S and a molecular weight of 307.8 g/mol. Its IUPAC name is (2S)-2-(2-chlorophenyl)-2-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)acetic acid.

What is Clopidogrel EP Impurity A used for?

Clopidogrel EP Impurity A 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 A can I order?

We supply Clopidogrel EP Impurity A 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 A?

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

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