2,5-Difluoropyridine-4-carboxylic acid

2,5-二氟吡啶-4-羧酸

Also known as: 2,5-Difluoro-4-pyridinecarboxylic acid, 2,5-Difluoroisonicotinic acid

2,5-Difluoropyridine-4-carboxylic acid (CAS 851386-39-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H3F2NO2 and a molecular weight of 159.09000 g/mol. It is also known as 2,5-Difluoro-4-pyridinecarboxylic acid and 2,5-Difluoroisonicotinic acid. Key properties include a boiling point of 372.7ºC at 760 mmHg, a density of 1.535g/cm3 and a flash point of 179.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
851386-39-5
Jingsj CID
J-1494617-2
Molecular Formula
C6H3F2NO2
Chinese Name
2,5-二氟吡啶-4-羧酸
Molecular Weight
159.09000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point372.7ºC at 760 mmHg
Density1.535g/cm3
Flash Point179.2ºC

Frequently Asked Questions

What is the CAS number of 2,5-Difluoropyridine-4-carboxylic acid?

The CAS number of 2,5-Difluoropyridine-4-carboxylic acid is 851386-39-5.

What are the molecular formula and molecular weight of 2,5-Difluoropyridine-4-carboxylic acid?

2,5-Difluoropyridine-4-carboxylic acid has molecular formula C6H3F2NO2 and molecular weight 159.09000 g/mol.

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

Last updated:

How to cite: Jingsj. "2,5-Difluoropyridine-4-carboxylic acid (CAS 851386-39-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1494617-2 (accessed 2026-10-24).

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