5-(5-bromothiophen-2-yl)-1H-pyrazole
5-(5-溴噻吩-2-基)-1H-吡唑
Also known as: 3-(5-bromothiophen-2-yl)-1H-pyrazole, 2-Bromo-5-(1H-pyrazol-3-yl)thiophene, 2-Bromo-5-(1H-pyrazol-5-yl)thiophene, 3-(5-Bromo-2-thienyl)-1H-pyrazole, 3-(5-Bromo-2-thienyl)pyrazole, 3-(5-Bromothien-2-yl)-1H-pyrazole, 5-(5-Bromo-2-thienyl)-1H-pyrazole, 5-(5-Bromothien-2-yl)-1H-pyrazole, bromothienylpyrazole
5-(5-bromothiophen-2-yl)-1H-pyrazole (CAS 166196-67-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5BrN2S and a molecular weight of 229.09700 g/mol. It is also known as 3-(5-bromothiophen-2-yl)-1H-pyrazole, 2-Bromo-5-(1H-pyrazol-3-yl)thiophene and 2-Bromo-5-(1H-pyrazol-5-yl)thiophene. Key properties include a melting point of 167-168ºC, a boiling point of 369.3ºC at 760 mmHg, a density of 1.736g/cm3 and a flash point of 177.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 166196-67-4
- Jingsj CID
- J-1102189-2
- Molecular Formula
- C7H5BrN2S
- Chinese Name
- 5-(5-溴噻吩-2-基)-1H-吡唑
- Molecular Weight
- 229.09700 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 167-168ºC |
|---|---|
| Boiling Point | 369.3ºC at 760 mmHg |
| Density | 1.736g/cm3 |
| Flash Point | 177.1ºC |
Frequently Asked Questions
What is the CAS number of 5-(5-bromothiophen-2-yl)-1H-pyrazole?
The CAS number of 5-(5-bromothiophen-2-yl)-1H-pyrazole is 166196-67-4.
What are the molecular formula and molecular weight of 5-(5-bromothiophen-2-yl)-1H-pyrazole?
5-(5-bromothiophen-2-yl)-1H-pyrazole has molecular formula C7H5BrN2S and molecular weight 229.09700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-(5-bromothiophen-2-yl)-1H-pyrazole (CAS 166196-67-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1102189-2 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.