Jingsj
.mol.sdf

5-methyl-1-phenyl-1H-pyrazole-4-carbonyl chloride

5-甲基-1-苯基-吡唑-4-羰酰氯

Also known as: 1H-Pyrazole-4-carbonyl chloride, 5-methyl-1-phenyl-, 5-methyl-1-phenylpyrazole-4-carbonyl chloride, MFCD02677692, TIMTEC-BB SBB005474, 5-methyl-1-phenyl-1H-pyrazol-4-carbonyl chloride, ButtPark 37\08-40

5-methyl-1-phenyl-1H-pyrazole-4-carbonyl chloride (CAS 205113-77-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9ClN2O and a molecular weight of 220.65500 g/mol. It is also known as 1H-Pyrazole-4-carbonyl chloride, 5-methyl-1-phenyl-, 5-methyl-1-phenylpyrazole-4-carbonyl chloride and MFCD02677692. Key properties include a melting point of 147ºC, a boiling point of 333.4ºC at 760 mmHg, a density of 1.26g/cm3 and a flash point of 155.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
205113-77-5
Jingsj CID
J-1309836-0
Molecular Formula
C11H9ClN2O
Chinese Name
5-甲基-1-苯基-吡唑-4-羰酰氯
Molecular Weight
220.65500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point147ºC
Boiling Point333.4ºC at 760 mmHg
Density1.26g/cm3
Flash Point155.4ºC

Frequently Asked Questions

What is the CAS number of 5-methyl-1-phenyl-1H-pyrazole-4-carbonyl chloride?

The CAS number of 5-methyl-1-phenyl-1H-pyrazole-4-carbonyl chloride is 205113-77-5.

What are the molecular formula and molecular weight of 5-methyl-1-phenyl-1H-pyrazole-4-carbonyl chloride?

5-methyl-1-phenyl-1H-pyrazole-4-carbonyl chloride has molecular formula C11H9ClN2O and molecular weight 220.65500 g/mol.

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

Last updated:

How to cite: Jingsj. "5-methyl-1-phenyl-1H-pyrazole-4-carbonyl chloride (CAS 205113-77-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1309836-0 (accessed 2026-10-25).

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