![Molecular structure of (S)-2-(2-Chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid hydrochloride (CAS 144750-42-5)](/images/chem_structures_svg/170/144750-42-5.svg)
(S)-2-(2-Chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid hydrochloride
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. 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. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 144750-42-5
- Jingsj CID
- J-1363540-0
- Molecular Formula
- C15H14ClNO2SClH
- Molecular Weight
- 344.26 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 447.3±45.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 224.3±28.7 °C |
| Exact Mass | 307.043365 |
| PSA | 68.78000 |
| LogP | 3.77 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.658 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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 and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of (S)-2-(2-Chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid hydrochloride?
For (S)-2-(2-Chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid hydrochloride, Upstream Products: Clopidogrel Carboxylic Acid, Clopidogrel; Downstream Products: Clopidogrel.
Data compiled from public chemical databases such as PubChem 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-1363540-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.