4,5,6,7-Tetrahydrothieno[3,2-c]pyridine hydrochloride

Also known as: 4,5,6,7-Tetrahydrothieno[3,2,c]pyridine hydrochloride, 4,5,6,7-Tetrahydrothieno[3,2-c]pyridine hydrochloride (1:1), 4,5,6,7-tetrahydrothieno[3,2-c]pyridine, hydrochloride, Clopidogrel Thieno Impurity, Thieno[3,2-c]pyridine, 4,5,6,7-tetrahydro-, hydrochloride, 4,5,6,7-TETRAHYDROTHIENO[3,2-C]PYRIDINE HYDROCHLORIDE, 4,5,6,7-Tetrahydrothieno[3,2-c]pyridin-5-ium chloride, MFCD05861485, EINECS 249-220-0

4,5,6,7-Tetrahydrothieno[3,2-c]pyridine hydrochloride (CAS 28783-41-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H10ClNS and a molecular weight of 175.68 g/mol. Key properties include a melting point of 212-215°C, a boiling point of 242.9ºC at 760 mmHg, a density of 1.143g/cm3 and a flash point of 100.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 28783-41-7
Jingsj CID: J-1120640-9
Molecular Formula: C₇H₁₀ClNS
Molecular Weight: 175.68 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	212-215°C
Boiling Point	242.9ºC at 760 mmHg
Density	1.143g/cm3
Flash Point	100.7ºC
Exact Mass	175.022247
PSA	40.27000
LogP	2.52460
Vapor Pressure	0.0331mmHg at 25°C

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 4,5,6,7-Tetrahydrothieno[3,2-c]pyridine hydrochloride?

The CAS number of 4,5,6,7-Tetrahydrothieno[3,2-c]pyridine hydrochloride is 28783-41-7.

What are the molecular formula and molecular weight of 4,5,6,7-Tetrahydrothieno[3,2-c]pyridine hydrochloride?

4,5,6,7-Tetrahydrothieno[3,2-c]pyridine hydrochloride has molecular formula C7H10ClNS and molecular weight 175.68 g/mol.

What are the upstream and downstream products of 4,5,6,7-Tetrahydrothieno[3,2-c]pyridine hydrochloride?

For 4,5,6,7-Tetrahydrothieno[3,2-c]pyridine hydrochloride, Upstream Products: Thiophene-2-ethylamine, Formaldehyde, N-Methylene-2-thiopheneethanamine; Downstream Products: tert-Butyl 2-bromo-6,7-dihydrothieno[3,2-c]pyridine-5(4H)-carboxylate, 4,5,6,7-Tetrahydrothieno[3,2-c]pyridine, 4,5,6,7-Tetrahydro-5-(triphenylmethyl)thieno[3,2-c]pyridine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4,5,6,7-Tetrahydrothieno[3,2-c]pyridine hydrochloride (CAS 28783-41-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1120640-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.