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4-Chloro-3-methyl-1H-pyrazole

Also known as: 4-Chloro-3-methylpyrazole, 1H-Pyrazole, 4-chloro-3-methyl-, 4-Chloro-5-methyl-1H-pyrazole

4-Chloro-3-methyl-1H-pyrazole (CAS 15878-08-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H5ClN2 and a molecular weight of 116.54900 g/mol. Key properties include a boiling point of 218.1ºC at 760mmHg, a density of 1.306g/cm3 and a flash point of 106.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
15878-08-7
Jingsj CID
J-1496512-9
Molecular Formula
C4H5ClN2
Molecular Weight
116.54900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point218.1ºC at 760mmHg
Density1.306g/cm3
Flash Point106.4ºC
Exact Mass116.01400
PSA28.68000
LogP1.37150
Vapor Pressure0.189mmHg at 25°C
Refractive Index1.551

Frequently Asked Questions

What is the CAS number of 4-Chloro-3-methyl-1H-pyrazole?

The CAS number of 4-Chloro-3-methyl-1H-pyrazole is 15878-08-7.

What are the molecular formula and molecular weight of 4-Chloro-3-methyl-1H-pyrazole?

4-Chloro-3-methyl-1H-pyrazole has molecular formula C4H5ClN2 and molecular weight 116.54900 g/mol.

What are the upstream and downstream products of 4-Chloro-3-methyl-1H-pyrazole?

For 4-Chloro-3-methyl-1H-pyrazole, Upstream Products: 3-Methylpyrazole, Sulfuryl chloride, Carbon tetrachloride; Downstream Products: 4-Chloro-1H-pyrazole-3-carboxylic acid, 4-Chloro-1,3-dimethyl-1H-pyrazole.

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

Last updated:

How to cite: Jingsj. "4-Chloro-3-methyl-1H-pyrazole (CAS 15878-08-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1496512-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.