4-Bromo-1-cyclopropyl-1H-pyrazole

4-溴-1-环丙基-1H-吡唑

Also known as: 4-bromo-1-cyclopropylpyrazole, 1H-Pyrazole, 4-bromo-1-cyclopropyl-, QC-5143

4-Bromo-1-cyclopropyl-1H-pyrazole (CAS 1151802-23-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7BrN2 and a molecular weight of 187.037 g/mol. It is also known as 4-bromo-1-cyclopropylpyrazole, 1H-Pyrazole, 4-bromo-1-cyclopropyl- and QC-5143. Key properties include a boiling point of 258.6±13.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 110.2±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1151802-23-1
Jingsj CID
J-1356636-0
Molecular Formula
C6H7BrN2
Chinese Name
4-溴-1-环丙基-1H-吡唑
Molecular Weight
187.037 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point258.6±13.0 °C at 760 mmHg
Density1.9±0.1 g/cm3
Flash Point110.2±19.8 °C

Frequently Asked Questions

What is the CAS number of 4-Bromo-1-cyclopropyl-1H-pyrazole?

The CAS number of 4-Bromo-1-cyclopropyl-1H-pyrazole is 1151802-23-1.

What are the molecular formula and molecular weight of 4-Bromo-1-cyclopropyl-1H-pyrazole?

4-Bromo-1-cyclopropyl-1H-pyrazole has molecular formula C6H7BrN2 and molecular weight 187.037 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-Bromo-1-cyclopropyl-1H-pyrazole (CAS 1151802-23-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356636-0 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.