5-Bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole
5-溴-1-甲基-3-(三氟甲基)-1H-吡唑
Also known as: 1H-Pyrazole, 5-bromo-1-methyl-3-(trifluoromethyl)-, 5-bromo-1-methyl-3-(trifluoromethyl)pyrazole, QC-4764
5-Bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole (CAS 524740-42-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4BrF3N2 and a molecular weight of 228.998 g/mol. It is also known as 1H-Pyrazole, 5-bromo-1-methyl-3-(trifluoromethyl)-, 5-bromo-1-methyl-3-(trifluoromethyl)pyrazole and QC-4764. Key properties include a boiling point of 188.6±35.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 67.9±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 524740-42-9
- Jingsj CID
- J-1033631-7
- Molecular Formula
- C5H4BrF3N2
- Chinese Name
- 5-溴-1-甲基-3-(三氟甲基)-1H-吡唑
- Molecular Weight
- 228.998 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 188.6±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 67.9±25.9 °C |
Frequently Asked Questions
What is the CAS number of 5-Bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole?
The CAS number of 5-Bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole is 524740-42-9.
What are the molecular formula and molecular weight of 5-Bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole?
5-Bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole has molecular formula C5H4BrF3N2 and molecular weight 228.998 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole (CAS 524740-42-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1033631-7 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.