3-Methyl-4-isoxazolecarboxylic acid

3-Methyl-4-isoxazolecarboxylic acid Basic information

Product Name:	3-Methyl-4-isoxazolecarboxylic acid
Synonyms:	3-METHYLISOXAZOLE-4-CARBOXYLIC ACID, 98+%;AKOS PAO-1630;3-METHYLISOXAZOLE-4-CARBOXYLIC ACID;3-METHYL-4-ISOXAZOLECARBOXYLIC ACID;3-Methyl-1,2-oxazole-4-carboxylic acid;3-Methyl-1,2-oxazole-4-carboxylic acid, 4-Carboxy-3-methylisoxazole;3-Methyl-4-Isoxazolecarboxylic Acid(WX614141);4-Isoxazolecarboxylic acid, 3-methyl-
CAS:	17153-20-7
MF:	C5H5NO3
MW:	127.1
EINECS:	681-430-1
Product Categories:	Carboxylic Acids;Oxazoles, Isoxazoles & Benzoxazoles;Heterocycles;Impurities;Intermediates & Fine Chemicals;Pharmaceuticals;Carboxylic Acids;Oxazoles, Isoxazoles & Benzoxazoles;API intermediates
Mol File:	17153-20-7.mol

3-Methyl-4-isoxazolecarboxylic acid Chemical Properties

Melting point	185-187°C
Boiling point	303.6±22.0 °C(Predicted)
density	1.348±0.06 g/cm3(Predicted)
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
solubility	DMSO (Slightly)
form	Solid
pka	2.90±0.25(Predicted)
color	Brown
BRN	114157
CAS DataBase Reference	17153-20-7(CAS DataBase Reference)

Safety Information

MSDS Information

Provider	Language
ALFA	English

3-Methyl-4-isoxazolecarboxylic acid Usage And Synthesis

Chemical Properties	white to light yellow crystal powder
Uses	An impurity in Leflunomide (L322750).

3-Methyl-4-isoxazolecarboxylic acid Preparation Products And Raw materials

Raw materials	Sodium hydroxide-->PETROLEUM ETHER-->Triethylamine-->Benzene-->Pyrrolidine-->Phenyl isocyanate-->Nitroethane-->Ethyl propiolate-->4-CHLOROMETHYL-3-METHYL-ISOXAZOLE-->ETHYL 3-METHYLISOXAZOLE-4-CARBOXYLATE-->(3-METHYL-ISOXAZOL-4-YL)-METHANOL
Preparation Products	tert-butyl 3-methylisoxazol-4-ylcarbamate

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