Jingsj
.mol.sdf

1-Ethyl-1H-pyrazole-4-carboxylic acid

1-乙基-1H-吡唑-4-甲酸

Also known as: 1-Ethylpyrazole-4-carboxylic Acid, 1-ethyl-4-pyrazolecarboxylic acid, 1-ethyl-1H-pyrazol-4-carboxylic acid, 1H-Pyrazole-4-carboxylic acid, 1-ethyl-

1-Ethyl-1H-pyrazole-4-carboxylic acid (CAS 400858-54-0) 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-Ethylpyrazole-4-carboxylic Acid, 1-ethyl-4-pyrazolecarboxylic acid and 1-ethyl-1H-pyrazol-4-carboxylic acid. Key properties include a boiling point of 307.4ºC at 760 mmHg, a density of 1.27g/cm3 and a flash point of 139.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
400858-54-0
Jingsj CID
J-1118164-2
Molecular Formula
C6H8N2O2
Chinese Name
1-乙基-1H-吡唑-4-甲酸
Molecular Weight
140.14000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point307.4ºC at 760 mmHg
Density1.27g/cm3
Flash Point139.7ºC

Frequently Asked Questions

What is the CAS number of 1-Ethyl-1H-pyrazole-4-carboxylic acid?

The CAS number of 1-Ethyl-1H-pyrazole-4-carboxylic acid is 400858-54-0.

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

1-Ethyl-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-Ethyl-1H-pyrazole-4-carboxylic acid (CAS 400858-54-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1118164-2 (accessed 2026-10-25).

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