37928-17-9
37928-17-9 structure
- Name: 5-Methyl-3,4-diphenylisoxazole
- Chemical Name: 5-Methyl-3,4-diphenylisoxazole
- CAS Number: 37928-17-9
- Molecular Formula: C16H13NO
- Molecular Weight: 235.281
- Catalog: Pharmaceutical intermediate API intermediate
- Create Date: 2018-06-08 14:29:51
- Modify Date: 2026-07-01 16:00:20
| Name | 5-Methyl-3,4-diphenylisoxazole |
|---|---|
| Synonyms |
Pecoxib Sodium-4
Pecoxib Impurity 19 (Valdecoxib Impurity 10 (Desulfonamide)) PECOXIB SODIUM CAS 198-8 INTERMEDIATES 5-Methyl-3,4-diphenyl 5-Methyl-3,4-diphenyl-1,2-oxazole Pecoxib Impurity 19 (Desulfonamide) Isoxazole, 5-Methyl-3,4-diphenyl- (Pecoxib sodiuM inteMediate) Isoxazole, 5-Methyl-3,4-diphenyl- (Pecoxib sodiuM inteMediate) ISO 9001：2015 REACH lsoxazole,5-Methyl-3,4-diphenyl-(Pecoxib sodiuM inteMediate) 5-Methyl-3 3-Phenyl-4-(4-aMinosulfonylbenzyl)-5-Methylisoxazole,Valdecoxib IMpurity A Pecoxib SodiuM interMediate A Valdecoxib Impurity 10 (Desulfonamide) (Pecoxib Impurity 19) Valdecoxib Impurity 10 (Desulfonamide) 3,4-Diphenyl-5-methylisoxazole 5-Methyl-3,4-diphenyl- (Pecoxib sodiuM inteMediate) 4-diphenyl-(Pecoxib sodiuM inteMediate) Isoxazole, 5-Methyl-3,4-diphenyl Isoxazole, 5-Methyl-3,4-diphenyl- (Pecoxib sodiuM intermediate) Pecoxib Related Compound Pecoxib InterMediate (5-Mehyl-3,4-Diphenylisoxazole) Pecoxib intermediates，5-Methyl-3,4-diphenylisoxazole Pecoxib impurity 5/5-methyl-3,4-diphenylisoxazole Pecoxib SodiuM iMpurity PR-SM 5-Methyl-3,4-diphenyl-isoxazole |
| Density | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 340.1±21.0 °C at 760 mmHg |
| Melting Point | 96.0 to 100.0 °C |
| Molecular Formula | C16H13NO |
| Molecular Weight | 235.281 |
| Flash Point | 100.9±9.7 °C |
| Exact Mass | 235.099716 |
| PSA | 26.03000 |
| LogP | 3.44 |
| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
| Index of Refraction | 1.580 |
| Hazard Codes | Xn |
|---|---|
| HS Code | 2934999090 |
| Precursor 10 | |
|---|---|
| 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% |