3-(1-benzofuran-2-yl)-1H-pyrazole
3-苯并[b]呋喃-2-基-1H-吡唑
Also known as: 3-BENZO[B]FURAN-2-YL-1H-PYRAZOLE, 3-(Benzofuran-2-yl)-1H-pyrazole, 1H-Pyrazole, 3-(2-benzofuranyl)-, 3-(1-benzofuran-2-yl)-1H-pyrazole, BUTTPARK 51\09-99
3-(1-benzofuran-2-yl)-1H-pyrazole (CAS 666728-39-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H8N2O and a molecular weight of 184.19400 g/mol. It is also known as 3-BENZO[B]FURAN-2-YL-1H-PYRAZOLE, 3-(Benzofuran-2-yl)-1H-pyrazole and 1H-Pyrazole, 3-(2-benzofuranyl)-. Key properties include a boiling point of 406.2ºC at 760 mmHg, a density of 1.286g/cm3 and a flash point of 213.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 666728-39-8
- Jingsj CID
- J-1311039-8
- Molecular Formula
- C11H8N2O
- Chinese Name
- 3-苯并[b]呋喃-2-基-1H-吡唑
- Molecular Weight
- 184.19400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 406.2ºC at 760 mmHg |
|---|---|
| Density | 1.286g/cm3 |
| Flash Point | 213.5ºC |
Frequently Asked Questions
What is the CAS number of 3-(1-benzofuran-2-yl)-1H-pyrazole?
The CAS number of 3-(1-benzofuran-2-yl)-1H-pyrazole is 666728-39-8.
What are the molecular formula and molecular weight of 3-(1-benzofuran-2-yl)-1H-pyrazole?
3-(1-benzofuran-2-yl)-1H-pyrazole has molecular formula C11H8N2O and molecular weight 184.19400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-(1-benzofuran-2-yl)-1H-pyrazole (CAS 666728-39-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1311039-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.