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(S)-2-(2-Chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid hydrochloride

(S)-2-(2-氯苯基)-2-(6,7-二氢噻吩并[3,2-c]吡啶-5(4H)-基)乙酸盐酸盐

Also known as: Clopidogrel EP Impurity A HCl, Clopidogrel USP Related Compound A, Clopidogrel Related Compound A, (S)-(o-Chlorophenyl)-6,7-dihydrothieno[3,2-c]pyridine-5(4H)-acetic acid hydrochloride, Clopidogrel acid hydrochloride, Thieno[3,2-c]pyridine-5(4H)-acetic acid, α-(2-chlorophenyl)-6,7-dihydro-, (αS)-, hydrochloride (1:1), CLOPIDOGREL RELATED COMPOUND A (20 MG) ((S)-(O-CHLOROPHENYL)-6,7-DIHYDROTHIENO[3,2-C]PYRI-DINE-5(4H)-ACETIC ACID, HYDROCHLORIDE)

(S)-2-(2-Chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid hydrochloride (CAS 144750-42-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C15H14ClNO2S.ClH and a molecular weight of 344.26 g/mol. It is also known as Clopidogrel EP Impurity A HCl, Clopidogrel USP Related Compound A and Clopidogrel Related Compound A. Key properties include a boiling point of 447.3±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 224.3±28.7 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
144750-42-5
Jingsj CID
J-1363540-2
Molecular Formula
C15H14ClNO2SClH
Chinese Name
(S)-2-(2-氯苯基)-2-(6,7-二氢噻吩并[3,2-c]吡啶-5(4H)-基)乙酸盐酸盐
Molecular Weight
344.26 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point447.3±45.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point224.3±28.7 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of (S)-2-(2-Chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid hydrochloride?

The CAS number of (S)-2-(2-Chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid hydrochloride is 144750-42-5.

What are the molecular formula and molecular weight of (S)-2-(2-Chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid hydrochloride?

(S)-2-(2-Chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid hydrochloride has molecular formula C15H14ClNO2S.ClH and molecular weight 344.26 g/mol.

Is (S)-2-(2-Chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid hydrochloride hazardous?

(S)-2-(2-Chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid hydrochloride has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(S)-2-(2-Chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid hydrochloride (CAS 144750-42-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1363540-2 (accessed 2026-10-22).

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