3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carboxylic acid
- CAS NO.：3919-76-4
- Empirical Formula: C11H7Cl2NO3
- Molecular Weight: 272.08
- MDL number: MFCD00051658
- EINECS: 223-487-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:16:10
What is 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carboxylic acid?
Chemical properties
3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carboxylic acid is White to creams oli
The Uses of 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carboxylic acid
3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carboxylic acid is used in the preparation of isoxazolyl penicillin derivatives.
The Uses of 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carboxylic acid
3-(2,6-Dichlorophenyl)-5-methyl-4-isoxazolylcarboxylic Acid (Dicloxacillin EP Impurity D) is used in the preparation of isoxazolyl penicillin derivatives.
Properties of 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carboxylic acid
| Melting point: | 221 °C |
| storage temp. | 2-8°C |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Solid |
| color | Pale Yellow |
| BRN | 806524 |
| CAS DataBase Reference | 3919-76-4(CAS DataBase Reference) |
| EPA Substance Registry System | 4-Isoxazolecarboxylic acid, 3-(2,6-dichlorophenyl)-5-methyl- (3919-76-4) |
Safety information for 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carboxylic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P330:Rinse mouth. |
Computed Descriptors for 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carboxylic acid
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