2-thiophen-2-ylquinoxaline-5-carboxylic acid

2-噻吩-2-喹噁啉-5-羧酸

Also known as: 2-(Thien-2-yl)quinoxaline-5-carboxylic acid, 2-THIOPHEN-2-YL-QUINOXALINE-5-CARBOXYLIC ACID, GL-0366, 2-(2-Thienyl)-5-quinoxalinecarboxylic acid, 2-(2-Thienyl)quinoxaline-5-carboxylic acid, 2-(thien-2-yl)quinoxaline-5-carboxylic acid

2-thiophen-2-ylquinoxaline-5-carboxylic acid (CAS 904813-02-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H8N2O2S and a molecular weight of 256.28000 g/mol. It is also known as 2-(Thien-2-yl)quinoxaline-5-carboxylic acid, 2-THIOPHEN-2-YL-QUINOXALINE-5-CARBOXYLIC ACID and GL-0366. Key properties include a boiling point of 489.1ºC at 760 mmHg, a density of 1.445g/cm3 and a flash point of 249.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
904813-02-1
Jingsj CID
J-1360837-8
Molecular Formula
C13H8N2O2S
Chinese Name
2-噻吩-2-喹噁啉-5-羧酸
Molecular Weight
256.28000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point489.1ºC at 760 mmHg
Density1.445g/cm3
Flash Point249.6ºC

Frequently Asked Questions

What is the CAS number of 2-thiophen-2-ylquinoxaline-5-carboxylic acid?

The CAS number of 2-thiophen-2-ylquinoxaline-5-carboxylic acid is 904813-02-1.

What are the molecular formula and molecular weight of 2-thiophen-2-ylquinoxaline-5-carboxylic acid?

2-thiophen-2-ylquinoxaline-5-carboxylic acid has molecular formula C13H8N2O2S and molecular weight 256.28000 g/mol.

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

Last updated:

How to cite: Jingsj. "2-thiophen-2-ylquinoxaline-5-carboxylic acid (CAS 904813-02-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360837-8 (accessed 2026-10-25).

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