| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-14085 | 552-94-3 | Impurity | |
| Aspirin Impurity E | ||||
 | C4X-14086 | 1466-82-6 | Impurity | |
| Aspirin Impurity F | ||||
 | C4X-14087 | 69-72-7 | Impurity | |
| Aspirin Impurity C / Mesalazine EP Impurity H | ||||
 | C4X-14088 | 18698-59-4 | Impurity | |
| Aspirin Impurity 8 | ||||
 | C4X-14089 | 2513-33-9 | Impurity | |
| Aspirin Impurity 9 | ||||
| C4X-14091 | 25197-87-9 | Impurity | |
| Isoniazid Impurity 1 | ||||
| C4X-140911 | 4813-02-9 | Impurity | |
| Isoniazid Impurity 11 | ||||
 | C4X-14092 | 55-22-1 | Impurity | |
| Isoniazid Impurity 2?Nicotinic Acid EP Impurity E? | ||||
 | C4X-14093 | 1453-82-3 | Impurity | |
| Isoniazid Impurity 3 | ||||
 | C4X-14094 | 1452-63-7 | Impurity | |
| Isoniazid Impurity 4 | ||||
