1,5-Dimethyl-1H-pyrazole-4-carboxylic acid

1,5-二甲基-1H-吡唑-4-羧酸

Also known as: 1,5-Dimethylpyrazole-4-carboxylic acid, 1,5-Dimethyl-1H-pyrazol-4-carbonsaeure, 1,5-Dimethyl-1H-pyrazol-4-carboxylic acid, 1,5-dimethyl-4-pyrazolecarboxylic acid, 1,5-dimethylpyrazole-4-carboxylic acid

1,5-Dimethyl-1H-pyrazole-4-carboxylic acid (CAS 31728-75-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H8N2O2 and a molecular weight of 140.14000 g/mol. It is also known as 1,5-Dimethylpyrazole-4-carboxylic acid, 1,5-Dimethyl-1H-pyrazol-4-carbonsaeure and 1,5-Dimethyl-1H-pyrazol-4-carboxylic acid. Key properties include a boiling point of 299.2ºC at 760mmHg, a density of 1.28g/cm3 and a flash point of 134.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
31728-75-3
Jingsj CID
J-1144357-5
Molecular Formula
C6H8N2O2
Chinese Name
1,5-二甲基-1H-吡唑-4-羧酸
Molecular Weight
140.14000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point299.2ºC at 760mmHg
Density1.28g/cm3
Flash Point134.7ºC

Frequently Asked Questions

What is the CAS number of 1,5-Dimethyl-1H-pyrazole-4-carboxylic acid?

The CAS number of 1,5-Dimethyl-1H-pyrazole-4-carboxylic acid is 31728-75-3.

What are the molecular formula and molecular weight of 1,5-Dimethyl-1H-pyrazole-4-carboxylic acid?

1,5-Dimethyl-1H-pyrazole-4-carboxylic acid has molecular formula C6H8N2O2 and molecular weight 140.14000 g/mol.

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

Last updated:

How to cite: Jingsj. "1,5-Dimethyl-1H-pyrazole-4-carboxylic acid (CAS 31728-75-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1144357-5 (accessed 2026-10-22).

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