Apremilast Impurity B
| API Category | Apremilast Impurity |
|---|---|
| Appearance | White solid |
| CAT Number | DCTI-C-005172 |
| CAS Number | 1912443-44-7 |
| IUPAC Name | (S)-1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethan-1-amine (S)-5-oxopyrrolidine-2-carboxylate |
| Molecular Formula | C17H26N2O7S (Salt form); C12H19NO4S (Free base) |
| Molecular Weight | 402.46 (Salt form); 273.35 (Free base) |
| Storage Condition | 2-8°C |
| Synonyms | Apremilast Impurity 77 |






