3-(2-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid

3-(2-氯苯基)-5-甲基异噁唑-4-羧酸

Also known as: 3-(2-Chlorophenyl)-5-methyl-4-isoxazolecarboxylic acid, 3-(2-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid (CMIC acid), 3-(2-Chlorophenyl)-5-methyl-1,2-oxazole-4-carboxylic acid, 3-(2-Chlorophenyl)-5-methylisoxazol-4-carboxylic acid, 3-(o-Chlorophenyl)-5-methyl-4-isoxazolecarboxylic acid, 4-Carboxy-3-(2-chlorophenyl)-5-methylisoxazole, 5-Methyl-3-(2-chlorophenyl)isoxazole-4-carboxylic acid, CMIC acid, MFCD00020813, EINECS 245-770-0

3-(2-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid (CAS 23598-72-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H8ClNO3 and a molecular weight of 237.63900 g/mol. It is also known as 3-(2-Chlorophenyl)-5-methyl-4-isoxazolecarboxylic acid, 3-(2-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid (CMIC acid) and 3-(2-Chlorophenyl)-5-methyl-1,2-oxazole-4-carboxylic acid. Key properties include a melting point of 186-189ºC, a boiling point of 374.5ºC at 760 mmHg, a density of 1.385 g/cm3 and a flash point of 180.3ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
23598-72-3
Jingsj CID
J-39786-3
Molecular Formula
C11H8ClNO3
Chinese Name
3-(2-氯苯基)-5-甲基异噁唑-4-羧酸
Molecular Weight
237.63900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point186-189ºC
Boiling Point374.5ºC at 760 mmHg
Density1.385 g/cm3
Flash Point180.3ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-(2-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid?

The CAS number of 3-(2-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid is 23598-72-3.

What are the molecular formula and molecular weight of 3-(2-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid?

3-(2-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid has molecular formula C11H8ClNO3 and molecular weight 237.63900 g/mol.

Is 3-(2-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid hazardous?

3-(2-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "3-(2-Chlorophenyl)-5-methylisoxazole-4-carboxylic acid (CAS 23598-72-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39786-3 (accessed 2026-10-22).

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