Thieno[2,3-b]pyridine-2-carbaldehyde

Also known as: Thieno[2,3-b]pyridine-2-carboxaldehyde, 2-Formylthieno[2,3-b]pyridine, thieno[2,3-b]pyridine-2-carbaldehyde, 2-formylthieno[2,3-b]pyridine

Thieno[2,3-b]pyridine-2-carbaldehyde (CAS 53174-98-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H5NOS and a molecular weight of 163.19600 g/mol. Key properties include a melting point of 142ºC, a boiling point of 320.2ºC at 760mmHg, a density of 1.384g/cm3 and a flash point of 147.5°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 53174-98-4
Jingsj CID: J-1459566-5
Molecular Formula: C₈H₅NOS
Molecular Weight: 163.19600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	142ºC
Boiling Point	320.2ºC at 760mmHg
Density	1.384g/cm3
Flash Point	147.5°C
Exact Mass	163.00900
PSA	58.20000
LogP	2.10880
Refractive Index	1.735

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 Thieno[2,3-b]pyridine-2-carbaldehyde?

The CAS number of Thieno[2,3-b]pyridine-2-carbaldehyde is 53174-98-4.

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

Thieno[2,3-b]pyridine-2-carbaldehyde has molecular formula C8H5NOS and molecular weight 163.19600 g/mol.

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

For Thieno[2,3-b]pyridine-2-carbaldehyde, Upstream Products: Thieno[2,3-b]pyridine, N,N-Dimethylformamide; Downstream Products: thieno[2,3-b]pyridin-2-ylmethanol.

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. "Thieno[2,3-b]pyridine-2-carbaldehyde (CAS 53174-98-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1459566-5 (accessed 2026-11-09).

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