5-Methyl-3-phenylisoxazole-4-carboxylic acid
Synonym(s):5-Methyl-3-phenylisoxazole-4-carboxylic acid
- CAS NO.：1136-45-4
- Empirical Formula: C11H9NO3
- Molecular Weight: 203.19
- MDL number: MFCD00003153
- EINECS: 214-497-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
What is 5-Methyl-3-phenylisoxazole-4-carboxylic acid?
Chemical properties
Cream to pale brown solid
The Uses of 5-Methyl-3-phenylisoxazole-4-carboxylic acid
5-Methyl-3-phenylisoxazole-4-carboxylic acid was used in preparation of intermediates for the synthesis of penicillin. It was used for acylation during solid support synthesis of the isoxazolopyridone derivatives.
Properties of 5-Methyl-3-phenylisoxazole-4-carboxylic acid
| Melting point: | 192-194 °C(lit.) |
| Boiling point: | 341.49°C (rough estimate) |
| Density | 1.2621 (rough estimate) |
| refractive index | 1.4950 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | DMSO (Slightly), Methanol (Very Slightly) |
| pka | 2.11±0.32(Predicted) |
| form | Solid |
| color | White to Off-White |
| BRN | 164939 |
| CAS DataBase Reference | 1136-45-4(CAS DataBase Reference) |
| EPA Substance Registry System | 4-Isoxazolecarboxylic acid, 5-methyl-3-phenyl- (1136-45-4) |
Safety information for 5-Methyl-3-phenylisoxazole-4-carboxylic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H313:Acute toxicity,dermal |
| 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 5-Methyl-3-phenylisoxazole-4-carboxylic acid
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