4-chlorothieno[2,3-c]pyridine-2-carboxylic acid

4-氯噻吩并[2,3-c]吡啶-2-羧酸

Also known as: 4-chlorothieno[2,3-c]pyridine-2-carboxylic acid (WX130302), Thieno[2,3-c]pyridine-2-carboxylic acid, 4-chloro-, 4-Chloro-thieno[2,3-c]pyridine-2-carboxylic acid

4-chlorothieno[2,3-c]pyridine-2-carboxylic acid (CAS 251996-86-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H4ClNO2S and a molecular weight of 213.641 g/mol. It is also known as 4-chlorothieno[2,3-c]pyridine-2-carboxylic acid (WX130302), Thieno[2,3-c]pyridine-2-carboxylic acid, 4-chloro- and 4-Chloro-thieno[2,3-c]pyridine-2-carboxylic acid. Key properties include a boiling point of 432.5±40.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 215.4±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
251996-86-8
Jingsj CID
J-1187413-5
Molecular Formula
C8H4ClNO2S
Chinese Name
4-氯噻吩并[2,3-c]吡啶-2-羧酸
Molecular Weight
213.641 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point432.5±40.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point215.4±27.3 °C

Frequently Asked Questions

What is the CAS number of 4-chlorothieno[2,3-c]pyridine-2-carboxylic acid?

The CAS number of 4-chlorothieno[2,3-c]pyridine-2-carboxylic acid is 251996-86-8.

What are the molecular formula and molecular weight of 4-chlorothieno[2,3-c]pyridine-2-carboxylic acid?

4-chlorothieno[2,3-c]pyridine-2-carboxylic acid has molecular formula C8H4ClNO2S and molecular weight 213.641 g/mol.

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

Last updated:

How to cite: Jingsj. "4-chlorothieno[2,3-c]pyridine-2-carboxylic acid (CAS 251996-86-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1187413-5 (accessed 2026-10-25).

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