| Product Name | 5-Methyl-4-isoxazole carboxylic acid |
| CAS No. | 42831-50-5 |
| Synonyms | 5-Methyl Isoxazole-4-Carboxylic Acid; Timtec-Bb Sbb005909; 5-Methylisoxazole-4-Carboxylic Acid; 5-Methyl-4-Isoxasolecarboxylic Acid; 5-Methyl-4-Isoxazolecarboxylic Acid; 5-Methyl-4-Isooxazolecarboxylic Acid; 5-Methylisoxazole-4-Carboxylic; 5-Methylisoxazole-4-Carboxalicacid,Leflunomide; 5-methyl-1,2-oxazole-4-carboxylic acid; 5-methylisoxazole-4-carboxylate; Leflunomide Intermediate; 5-Methylisoxazole-4-carboxylic Acid(B3) |
| InChI | InChI=1/C5H5NO3/c1-3-4(5(7)8)2-6-9-3/h2H,1H3,(H,7,8)/p-1 |
| Molecular Formula | C5H4NO3 |
| Molecular Weight | 126.0907 |
| Melting point | 145-147℃ |
| Boiling point | 308.3°C at 760 mmHg |
| Flash point | 140.3°C |
| Hazard Symbols |  Xi:Irritant; |
| Risk Codes | R36/37/38:; |
| Safety | S22:; S26:; S36/37/39:; |
42831-50-5 5-methyl-4-isoxazole carboxylic acid
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