Clopirac

氯苯吡乙酸

Also known as: 1-(4-chlorophenyl)-2,5-dimethyl-1H-pyrrole-3-acetic acid, 2-[1-(4-chlorophenyl)-2,5-dimethyl-1H-pyrrol-3-yl]acetic acid, 2-[1-(4-chlorophenyl)-2,5-dimethylpyrrol-3-yl]acetic acid, 1H-Pyrrole-3-acetic acid, 1-(4-chlorophenyl)-2,5-dimethyl-, BRL-13856, CP-172AP, CP 172AP, EINECS 255-938-5

Clopirac (CAS 42779-82-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H14ClNO2 and a molecular weight of 263.71900 g/mol. It is also known as 1-(4-chlorophenyl)-2,5-dimethyl-1H-pyrrole-3-acetic acid, 2-[1-(4-chlorophenyl)-2,5-dimethyl-1H-pyrrol-3-yl]acetic acid and 2-[1-(4-chlorophenyl)-2,5-dimethylpyrrol-3-yl]acetic acid. Key properties include a boiling point of 429.1ºC at 760mmHg, a density of 1.23g/cm3 and a flash point of 213.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
42779-82-8
Jingsj CID
J-1960580-9
Molecular Formula
C14H14ClNO2
Chinese Name
氯苯吡乙酸
Molecular Weight
263.71900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point429.1ºC at 760mmHg
Density1.23g/cm3
Flash Point213.3ºC

Frequently Asked Questions

What is the CAS number of Clopirac?

The CAS number of Clopirac is 42779-82-8.

What are the molecular formula and molecular weight of Clopirac?

Clopirac has molecular formula C14H14ClNO2 and molecular weight 263.71900 g/mol.

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

Last updated:

How to cite: Jingsj. "Clopirac (CAS 42779-82-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1960580-9 (accessed 2026-10-25).

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