| Component | Bulk drug sample batches | ||
| Batch No. 1 | Batch No. 2 | Batch No. 3 | |
| Imp-1 | ND | ND | ND |
| Imp-2 | ND | ND | ND |
| Imp-3 | ND | ND | ND |
| Imp-4 | 0.054 | 0.053 | 0.053 |
| Imp-5 | ND | ND | ND |
| Apremilast | 99.95 | 99.95 | 99.95 |
| Imp-6 | ND | ND | ND |
| Imp-7 | ND | ND | ND |
| Imp-8 | ND | ND | ND |