2-(Pyridin-4-yl)-1,3-thiazole-4-carboxylic acid

2-(4-吡啶基)噻唑-4-羧酸

Also known as: 2-(4-PYRIDINYL)-1,3-THIAZOLE-4-CARBOXYLIC ACID, 2-(4-PYRIDYL)-1,3-THIAZOLE-4-CARBOXYLIC ACID, 2-(4-PYRIDYL)THIAZOLE-4-CARBOXYLIC ACID, 2-(4-Pyridinyl)-1,3-thiazole-4-carboxylic acid, 2-(4-Pyridyl)thiazole-4-carboxylic acid, 2-(Pyridin-4-yl)thiazole-4-carboxylic acid, 2-PYRIDIN-4-YL-THIAZOLE-4-CARBOXYLIC ACID, 2-Pyridin-4-yl-thiazole-4-carboxylic acid, 4-Carboxy-2-(pyridin-4-yl)-1,3-thiazole, 4-(4-Carboxy-1,3-thiazol-2-yl)pyridine, 4-Thiazolecarboxylic acid, 2-(4-pyridinyl)-

2-(Pyridin-4-yl)-1,3-thiazole-4-carboxylic acid (CAS 21278-86-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6N2O2S and a molecular weight of 206.221 g/mol. It is also known as 2-(4-PYRIDINYL)-1,3-THIAZOLE-4-CARBOXYLIC ACID, 2-(4-PYRIDYL)-1,3-THIAZOLE-4-CARBOXYLIC ACID and 2-(4-PYRIDYL)THIAZOLE-4-CARBOXYLIC ACID. Key properties include a melting point of >300 °C(lit.), a boiling point of 469.3±51.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 237.6±30.4 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21278-86-4
Jingsj CID
J-29292-4
Molecular Formula
C9H6N2O2S
Chinese Name
2-(4-吡啶基)噻唑-4-羧酸
Molecular Weight
206.221 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point>300 °C(lit.)
Boiling Point469.3±51.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point237.6±30.4 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-(Pyridin-4-yl)-1,3-thiazole-4-carboxylic acid?

The CAS number of 2-(Pyridin-4-yl)-1,3-thiazole-4-carboxylic acid is 21278-86-4.

What are the molecular formula and molecular weight of 2-(Pyridin-4-yl)-1,3-thiazole-4-carboxylic acid?

2-(Pyridin-4-yl)-1,3-thiazole-4-carboxylic acid has molecular formula C9H6N2O2S and molecular weight 206.221 g/mol.

Is 2-(Pyridin-4-yl)-1,3-thiazole-4-carboxylic acid hazardous?

2-(Pyridin-4-yl)-1,3-thiazole-4-carboxylic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2-(Pyridin-4-yl)-1,3-thiazole-4-carboxylic acid (CAS 21278-86-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29292-4 (accessed 2026-10-23).

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