51135-73-0
51135-73-0 structure
- Name: Ethyl 5-methylisoxazole-4-carboxylate
- Chemical Name: ethyl 5-methyl-1,2-oxazole-4-carboxylate
- CAS Number: 51135-73-0
- Molecular Formula: C7H9NO3
- Molecular Weight: 155.15100
- Create Date: 2018-06-13 00:15:18
- Modify Date: 2026-07-14 17:00:52
| Name | ethyl 5-methyl-1,2-oxazole-4-carboxylate |
|---|---|
| Synonyms |
Leflunomide Impurity (Ethyl 5-methylis/ 5-METHYL-4-ISOXAZOLECBOXYLATE)
MFCD00233457 4-Isoxazolecboxylicacid, 5-methyl-, ethyl ester 3-ethyl-5-methyl-1H-pyrazole-4-cboxylate ethyl 5-methylisoxazol-4-yl-cboxylate 5-methyl-4-isoxazolecboxylic acid ethyl ester 5-METHYL-4-ISOXAZOLECBOXYLATE ethyl 5-methyl-4-isoxazolecboxylate 5-Methylisoxazole-4-cboxylic acid ethyl ester 4-Isoxazolecarboxylic acid,5-methyl-,ethyl ester ETHYL 3-METHYLPYRAZOLE-4-CBOXYLATE ethyl 5-methyl-1,2-oxazole-4-cboxylate ETHYL 5-METHYLISOXAZOLE-4-CBOXYLATE Ethyl-5-methylisoxzaole-4 cboxylate 4-Isoxazolecboxylicacid,5-methyl-,ethylester(6CI,9CI) |
| Density | 1.118 g/mL at 25 °C |
|---|---|
| Boiling Point | 95-97°C 15mm |
| Molecular Formula | C7H9NO3 |
| Molecular Weight | 155.15100 |
| Flash Point | 95-97°C/15mm |
| Exact Mass | 155.05800 |
| PSA | 52.33000 |
| LogP | 1.15970 |
| Index of Refraction | 1.4597 |
| Hazard Codes | Xi |
|---|---|
| Risk Phrases | R36/37/38 |
| Safety Phrases | S24/25-S26 |
| HS Code | 2934999090 |
| Precursor 0 | |
|---|---|
| DownStream 5 | |
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |