ETHYL 5-METHYLISOXAZOLE-3-CARBOXYLATE; AKOS PAO-1390; 5-Methyl-3-isoxazole carboxylic acid ethylester; 5-methylthiazole-3-carboxylic acid ethyl ester; Ethyl 5-methylisoxazole-3-carboxylate, 95+%; 3-Isoxazolecarboxylic acid, 5-methyl-,ethylester (6CI, 7CI, 8CI, 9CI); 5-Methylisoxazole-3-carboxylic acid ethyl ester

CAS No.: 3209-72-1

Molecular formula: C7H9NO3

Molecular weight: 155.15

 

5-methyl-3-isoxazole carboxylate

Melting point 25 °C

Boiling point 77-79°C 0,5mm

Density 1.139

Flash point 77-79°C/0.5mm

Water solubility It is insoluble in water.

CAS Database 3209-72-1 (CAS DataBase Reference)

Ethyl 5-methyl-3-isoxazolecarboxylate Application and Synthesis Method

Chemical properties Liquid. The boiling point is 140 ° C / 2 kPa.

Uses Intermediates of sulfamethoxazole.

Production method Ethyl acetonate is condensed with diethyl oxalate under alkaline conditions to form ethyl acetylacetonate, and then cyclized with hydroxylamine hydrochloride to obtain the product.

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