5-Chloro-1H-pyrazole-3-carboxylic acid
5-氯-1H-吡唑-3-羧酸
Also known as: 1H-Pyrazole-3-carboxylic acid, 5-chloro-, 5-Chloropyrazole-3-carboxylic acid, 5-chloropyrazole-3-carboxylic acid, 3-chloro-1H-pyrazole-5-carboxylic acid
5-Chloro-1H-pyrazole-3-carboxylic acid (CAS 881668-70-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3ClN2O2 and a molecular weight of 146.532 g/mol. It is also known as 1H-Pyrazole-3-carboxylic acid, 5-chloro-, 5-Chloropyrazole-3-carboxylic acid and 5-chloropyrazole-3-carboxylic acid. Key properties include a boiling point of 445.6±25.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 223.3±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 881668-70-8
- Jingsj CID
- J-1151055-8
- Molecular Formula
- C4H3ClN2O2
- Chinese Name
- 5-氯-1H-吡唑-3-羧酸
- Molecular Weight
- 146.532 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 445.6±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 223.3±23.2 °C |
Frequently Asked Questions
What is the CAS number of 5-Chloro-1H-pyrazole-3-carboxylic acid?
The CAS number of 5-Chloro-1H-pyrazole-3-carboxylic acid is 881668-70-8.
What are the molecular formula and molecular weight of 5-Chloro-1H-pyrazole-3-carboxylic acid?
5-Chloro-1H-pyrazole-3-carboxylic acid has molecular formula C4H3ClN2O2 and molecular weight 146.532 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Chloro-1H-pyrazole-3-carboxylic acid (CAS 881668-70-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1151055-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.