5-Methylpyrazine-2-carboxylic acid

5-甲基吡嗪-2-羧酸

Also known as: 5-Methyl-2-pyrazinecarboxylic acid, 2-Carboxy-5-methylpyrazine, 2-Methyl-5-pyrazinecarboxylic acid, 5-Methylpyrazine-2-carboxylic acid, 5-Methylpyrazinecarboxylic acid, MFCD00068241, EINECS 413-260-9

5-Methylpyrazine-2-carboxylic acid (CAS 5521-55-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H6N2O2 and a molecular weight of 138.12 g/mol. It is also known as 5-Methyl-2-pyrazinecarboxylic acid, 2-Carboxy-5-methylpyrazine and 2-Methyl-5-pyrazinecarboxylic acid. Key properties include a melting point of 167-171 °C(lit.), a boiling point of 316.5±37.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 145.2±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5521-55-1
Jingsj CID
J-23432-4
Molecular Formula
C6H6N2O2
Chinese Name
5-甲基吡嗪-2-羧酸
Molecular Weight
138.12 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point167-171 °C(lit.)
Boiling Point316.5±37.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point145.2±26.5 °C

Frequently Asked Questions

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

The CAS number of 5-Methylpyrazine-2-carboxylic acid is 5521-55-1.

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

5-Methylpyrazine-2-carboxylic acid has molecular formula C6H6N2O2 and molecular weight 138.12 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Methylpyrazine-2-carboxylic acid (CAS 5521-55-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23432-4 (accessed 2026-10-22).

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