1-Ethyl-1H-pyrazole-5-carboxylic acid
1-乙基-1H-吡唑-5-羧酸
Also known as: 1-Ethylpyrazole-5-carboxylic Acid, 2-Ethyl-2H-pyrazole-3-carboxylic acid, 2-ethylpyrazole-3-carboxylic acid, 1H-Pyrazole-5-carboxylic acid, 1-ethyl-
1-Ethyl-1H-pyrazole-5-carboxylic acid (CAS 400755-43-3) 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-Ethylpyrazole-5-carboxylic Acid, 2-Ethyl-2H-pyrazole-3-carboxylic acid and 2-ethylpyrazole-3-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.
- 400755-43-3
- Jingsj CID
- J-1038021-5
- Molecular Formula
- C6H8N2O2
- Chinese Name
- 1-乙基-1H-吡唑-5-羧酸
- Molecular Weight
- 140.14000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 307.4ºC at 760 mmHg |
|---|---|
| Density | 1.27g/cm3 |
| Flash Point | 139.7ºC |
Frequently Asked Questions
What is the CAS number of 1-Ethyl-1H-pyrazole-5-carboxylic acid?
The CAS number of 1-Ethyl-1H-pyrazole-5-carboxylic acid is 400755-43-3.
What are the molecular formula and molecular weight of 1-Ethyl-1H-pyrazole-5-carboxylic acid?
1-Ethyl-1H-pyrazole-5-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-5-carboxylic acid (CAS 400755-43-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1038021-5 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.