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5-(Pyridin-4-yl)thiophene-2-carbaldehyde

5-(吡啶-4-基)噻吩-2-甲醛

Also known as: 5-(4-pyridyl)-2-thiophenecarbaldehyde, 4-(5-formylthien-2-yl)pyridine, 2-formyl-5-(pyridin-4-yl)thiophene, 2-thiophenecarboxaldehyde, 5-(4-pyridinyl)-, 5-pyridin-4-ylthiophene-2-carboxaldehyde

5-(Pyridin-4-yl)thiophene-2-carbaldehyde (CAS 129770-69-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H7NOS and a molecular weight of 189.23400 g/mol. It is also known as 5-(4-pyridyl)-2-thiophenecarbaldehyde, 4-(5-formylthien-2-yl)pyridine and 2-formyl-5-(pyridin-4-yl)thiophene. Key properties include a melting point of 132.5-134ºC, a boiling point of 352.1ºC at 760mmHg, a density of 1.269g/cm3 and a flash point of 166.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
129770-69-0
Jingsj CID
J-1356788-8
Molecular Formula
C10H7NOS
Chinese Name
5-(吡啶-4-基)噻吩-2-甲醛
Molecular Weight
189.23400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point132.5-134ºC
Boiling Point352.1ºC at 760mmHg
Density1.269g/cm3
Flash Point166.7ºC

Frequently Asked Questions

What is the CAS number of 5-(Pyridin-4-yl)thiophene-2-carbaldehyde?

The CAS number of 5-(Pyridin-4-yl)thiophene-2-carbaldehyde is 129770-69-0.

What are the molecular formula and molecular weight of 5-(Pyridin-4-yl)thiophene-2-carbaldehyde?

5-(Pyridin-4-yl)thiophene-2-carbaldehyde has molecular formula C10H7NOS and molecular weight 189.23400 g/mol.

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

Last updated:

How to cite: Jingsj. "5-(Pyridin-4-yl)thiophene-2-carbaldehyde (CAS 129770-69-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356788-8 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.