3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylic acid

3-(2-氯-6-氟苯基)-5-甲基异恶唑-4-羧酸

Also known as: 3-(2-Chloro-6-fluorophenyl)-5-methyl-4-isoxazolecarboxylic acid, Flucloxacillin impurity D, MFCD00055659, EINECS 223-486-8

CAS No.
3919-74-2
Jingsj CID
J-17026-6
Molecular Formula
C11H7ClFNO3
Chinese Name
3-(2-氯-6-氟苯基)-5-甲基异恶唑-4-羧酸
Molecular Weight
255.63000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point202 °C
Boiling Point314.6ºC at 760 mmHg
Density1.388g/cm3
Flash Point144.1ºC

Frequently Asked Questions

What is the CAS number of 3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylic acid?

3919-74-2

What are the molecular formula and molecular weight of 3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylic acid?

C11H7ClFNO3, molecular weight 255.63000 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026