| Basic parameter: |
| Molecular formula: |
C13H9F2NO4 |
| Molecular weight: |
281.21 |
| Chemical structure: |
 |
| Quality standard: |
| Characteristics : |
Yellow acicular crystal |
| Specific rotation [a] |
20 |
| D |
|
≥-74° |
| Loss on drying: |
≤ 0.5 |
| Content: |
≤ 98.5 |
| Packing: |
25kg net weight in iron or paper drum |