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Pharmacopeial Impurities (EP / USP / BP)

Clopidogrel EP Impurity A

Reference StandardAvailable on request

Clopidogrel EP Impurity A (CAS 144457-28-3) supplier Zemixal: C15H14ClNO2S, COA and SDS with every lot, worldwide shipping.

Pack sizes
Clopidogrel EP Impurity A chemical structure
CAS number144457-28-3
FormulaC15H14ClNO2S
Molar mass307.8 g/mol
Physical formSolid
HS code38229090
InChIKeyDCASRSISIKYPDD-AWEZNQCLSA-N
IUPAC name(2S)-2-(2-chlorophenyl)-2-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)acetic acid

About Clopidogrel EP Impurity A

Analytical teams working on Clopidogrel use Clopidogrel EP Impurity A as a qualified comparison standard. Key data (Reference Standard): CAS 144457-28-3, formula C15H14ClNO2S and molar mass 307.8 g/mol. It is handled as a solid.

Use cases we see most often

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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Clopidogrel

See every impurity, metabolite and related compound we list for this API.

Clopidogrel standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Clopidogrel EP Impurity A
Product nameClopidogrel EP Impurity A
Catalogue numberZX-028703
CAS number144457-28-3
IUPAC name(2S)-2-(2-chlorophenyl)-2-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)acetic acid
Molecular formulaC15H14ClNO2S
Molar mass307.8 g/mol
Exact mass307.0434
GradeReference Standard
Physical formSolid
XLogP31.1
H-bond donors / acceptors1 / 4
Topological polar surface area68.8 Ų
HS code38229090
InChIKeyDCASRSISIKYPDD-AWEZNQCLSA-N
SMILESC1CN(CC2=C1SC=C2)[C@@H](C3=CC=CC=C3Cl)C(=O)O
PubChem CID9861403
SynonymsClopidogrel 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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Clopidogrel EP Impurity A
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Clopidogrel EP Impurity A

Which CAS number identifies Clopidogrel EP Impurity A?
Clopidogrel EP Impurity A is registered under CAS 144457-28-3. You may also see it listed as Clopidogrel Carboxylic Acid, Clopidogrel Hydrochloride - Impurity A (Freebase), Clopidogrel Hydrogen Sulfate - Impurity A (Freebase). Our catalogue number for this item is ZX-028703.
What are the formula and molar mass of Clopidogrel EP Impurity A?
For Clopidogrel EP Impurity A, its formula is C15H14ClNO2S and its molar mass is 307.8 g/mol. The systematic (IUPAC) name is (2S)-2-(2-chlorophenyl)-2-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)acetic acid. InChIKey DCASRSISIKYPDD-AWEZNQCLSA-N lets you match it in any structure database.
How is Clopidogrel EP Impurity A used in pharmaceutical QC?
Clopidogrel EP Impurity A is a characterised reference material linked to Clopidogrel. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Clopidogrel EP Impurity A?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Clopidogrel EP Impurity A?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Clopidogrel EP Impurity A to my country?
Yes. Clopidogrel EP Impurity A ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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