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1-[4-(Chloromethyl)phenyl]-1H-pyrazole

1-[4-(氯甲基)苯基]吡唑

Also known as: 1-[4-(Chloromethyl)phenyl]pyrazole, 1-(4-Chloromethylphenyl)-1H-pyrazole, 4-(1H-Pyrazol-1-yl)benzyl chloride

1-[4-(Chloromethyl)phenyl]-1H-pyrazole (CAS 143426-52-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9ClN2 and a molecular weight of 192.64500 g/mol. It is also known as 1-[4-(Chloromethyl)phenyl]pyrazole, 1-(4-Chloromethylphenyl)-1H-pyrazole and 4-(1H-Pyrazol-1-yl)benzyl chloride. Key properties include a boiling point of 303.9ºC at 760mmHg, a density of 1.19g/cm3 and a flash point of 137.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
143426-52-2
Jingsj CID
J-1447767-6
Molecular Formula
C10H9ClN2
Chinese Name
1-[4-(氯甲基)苯基]吡唑
Molecular Weight
192.64500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point303.9ºC at 760mmHg
Density1.19g/cm3
Flash Point137.6ºC

Frequently Asked Questions

What is the CAS number of 1-[4-(Chloromethyl)phenyl]-1H-pyrazole?

The CAS number of 1-[4-(Chloromethyl)phenyl]-1H-pyrazole is 143426-52-2.

What are the molecular formula and molecular weight of 1-[4-(Chloromethyl)phenyl]-1H-pyrazole?

1-[4-(Chloromethyl)phenyl]-1H-pyrazole has molecular formula C10H9ClN2 and molecular weight 192.64500 g/mol.

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

Last updated:

How to cite: Jingsj. "1-[4-(Chloromethyl)phenyl]-1H-pyrazole (CAS 143426-52-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1447767-6 (accessed 2026-10-25).

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