Clopidogrel Impurity 4 (Freebase)

Name: Clopidogrel Impurity 4 (Freebase)
Brand: Vaqora Chemicals
SKU: VQ-004664

About Clopidogrel Impurity 4 (Freebase)

Listed under CAS 68559-60-4, Clopidogrel Impurity 4 (Freebase) is an impurity of Clopidogrel available from Vaqora Chemicals. Formula C7H7NOS, molecular weight 153.2 g/mol. Systematically, it is named 6,7-dihydro-5H-thieno[3,2-c]pyridin-4-one. Common synonyms include 4H,5H,6H,7H-thieno[3,2-c]pyridin-4-one and 6,7-Dihydrothieno[3,2-c]pyridin-4(5H)-one.

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. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Clopidogrel to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Clopidogrel Impurity 4 (Freebase) in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. This item is currently in stock for prompt dispatch.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Clopidogrel

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

Clopidogrel impurities

Specifications & identifiers

Chemical identifiers
Product name	Clopidogrel Impurity 4 (Freebase)
Catalogue No.	VQ-004664
CAS Number	68559-60-4
IUPAC name	6,7-dihydro-5H-thieno[3,2-c]pyridin-4-one
Molecular formula	C₇H₇NOS
Molecular weight	153.2 g/mol
Exact mass	153.0248
Grade	Reference Standard
HSN code	38229090
InChIKey	SFNZVNVCJWVPDM-UHFFFAOYSA-N
SMILES	C1CNC(=O)C2=C1SC=C2
PubChem CID	20346858

Physical properties
Physical form	Solid
LogP (XLogP3)	0.9
H-bond donors / acceptors	1 / 2
TPSA	57.3 Å²
Synonyms	4H,5H,6H,7H-thieno[3,2-c]pyridin-4-one, 6,7-Dihydrothieno[3,2-c]pyridin-4(5H)-one, Ticlopidine Impurity B, Ticlodipine USP RC A, Clopidogrel Impurity 04, 4-Oxo-4,5,6,7-tetrahydrothieno-(3,2-C)pyridine, Thieno(3,2-C)pyridin-4(5H)-one, 6,7-dihydro-, 4-Oxo-4,5,6,7-tetrahydrothieno-[3,2-c]pyridine, Thieno[3,2-c]pyridin-4(5H)-one, 6,7-dihydro-, Ticlopidine hydrochloride impurity B, 6.7-dihydrothieno[3.2.c]pyridin-4(5H)-one, Ticlopidine EP Impurity B

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Impurity 4 (Freebase)?

The CAS Registry Number of Clopidogrel Impurity 4 (Freebase) is 68559-60-4. It is also known as 4H,5H,6H,7H-thieno[3,2-c]pyridin-4-one, 6,7-Dihydrothieno[3,2-c]pyridin-4(5H)-one, Ticlopidine Impurity B.

What is the molecular formula and molecular weight of Clopidogrel Impurity 4 (Freebase)?

Clopidogrel Impurity 4 (Freebase) has the molecular formula C7H7NOS and a molecular weight of 153.2 g/mol. Its IUPAC name is 6,7-dihydro-5H-thieno[3,2-c]pyridin-4-one.

What is Clopidogrel Impurity 4 (Freebase) used for?

Clopidogrel Impurity 4 (Freebase) 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 Impurity 4 (Freebase) can I order?

We supply Clopidogrel Impurity 4 (Freebase) 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 Impurity 4 (Freebase)?

Yes. Every lot of Clopidogrel Impurity 4 (Freebase) 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 Impurity 4 (Freebase) be shipped internationally?

Yes. Clopidogrel Impurity 4 (Freebase) is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.