5-tert-butyl-1H-pyrazole-3-carboxylic acid
5-叔丁基-1H-吡唑-3-羧酸
Also known as: 1H-Pyrazole-3-carboxylic acid, 5-(1,1-dimethylethyl)-, 3-tert-butyl-1H-pyrazole-5-carboxylic acid, 5-tert-butyl-2H-pyrazole-3-carboxylic acid, AKOS BBS-00002586, IFLAB-BB F3250-0568, SALOR-INT L481149-1EA, TIMTEC-BB SBB010498, VITAS-BB TBB013040
5-tert-butyl-1H-pyrazole-3-carboxylic acid (CAS 83405-71-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H12N2O2 and a molecular weight of 168.19300 g/mol. It is also known as 1H-Pyrazole-3-carboxylic acid, 5-(1,1-dimethylethyl)-, 3-tert-butyl-1H-pyrazole-5-carboxylic acid and 5-tert-butyl-2H-pyrazole-3-carboxylic acid. Key properties include a boiling point of 357.2ºC at 760 mmHg, a density of 1.199g/cm3 and a flash point of 169.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 83405-71-4
- Jingsj CID
- J-950077-8
- Molecular Formula
- C8H12N2O2
- Chinese Name
- 5-叔丁基-1H-吡唑-3-羧酸
- Molecular Weight
- 168.19300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 357.2ºC at 760 mmHg |
|---|---|
| Density | 1.199g/cm3 |
| Flash Point | 169.8ºC |
Frequently Asked Questions
What is the CAS number of 5-tert-butyl-1H-pyrazole-3-carboxylic acid?
The CAS number of 5-tert-butyl-1H-pyrazole-3-carboxylic acid is 83405-71-4.
What are the molecular formula and molecular weight of 5-tert-butyl-1H-pyrazole-3-carboxylic acid?
5-tert-butyl-1H-pyrazole-3-carboxylic acid has molecular formula C8H12N2O2 and molecular weight 168.19300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-tert-butyl-1H-pyrazole-3-carboxylic acid (CAS 83405-71-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-950077-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.