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Thieno[3,2-c]pyridine

Also known as: 5-Aza-1-benzothiophene, 5-Azabenzo[b]thiophene, 5-Azathianaphthene, Thieno[3,2-C]Pyridine, Ticlopidine EP Impurity A, Ticlopidine Impurity 1

Thieno[3,2-c]pyridine (CAS 272-14-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5NS and a molecular weight of 135.186 g/mol. Key properties include a melting point of 47-49ºC, a boiling point of 255.1±13.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 112.3±10.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
272-14-0
Jingsj CID
J-1509838-1
Molecular Formula
C7H5NS
Molecular Weight
135.186 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point47-49ºC
Boiling Point255.1±13.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point112.3±10.2 °C
Exact Mass135.014267
PSA41.13000
LogP2.89
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.689

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 Thieno[3,2-c]pyridine?

The CAS number of Thieno[3,2-c]pyridine is 272-14-0.

What are the molecular formula and molecular weight of Thieno[3,2-c]pyridine?

Thieno[3,2-c]pyridine has molecular formula C7H5NS and molecular weight 135.186 g/mol.

What are the upstream and downstream products of Thieno[3,2-c]pyridine?

For Thieno[3,2-c]pyridine, Upstream Products: p-Toluenesulfonyl chloride, 3-Thiophenecarboxaldehyde, 2-Formyl-3-thiophenecarboxaldehyde ethylene acetal; Downstream Products: 3-Bromothieno[3,2-c]pyridine, Thieno[3,2-c]pyridine-2-carboxylic acid, Thieno[3,2-c]pyridine-4-carbonitrile (9CI).

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

Last updated:

How to cite: Jingsj. "Thieno[3,2-c]pyridine (CAS 272-14-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1509838-1 (accessed 2026-11-09).

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