| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-156327 | N/A | Impurity | |
| Biotin impurity 27 | ||||
| C4X-156328 | 157966-14-8 | Impurity | |
| Biotin impurity 28 | ||||
| C4X-156329 | N/A | Impurity | |
| Biotin impurity 29 | ||||
 | C4X-15633 | 1163708-46-0 | Impurity | |
| Biotin EP Impurity A | ||||
| C4X-156330 | N/A | Impurity | |
| Biotin EP impurity C | ||||
| C4X-156331 | 22342-46-7?free base? | Impurity | |
| Biotin impurity 31 | ||||
| C4X-15634 | 76335-62-1 | Impurity | |
| Biotin Impurity 4 | ||||
 | C4X-15635 | 57229-92-2 | Impurity | |
| Biotin Impurity 5 | ||||
| C4X-15637 | 21788-37-4 | Impurity | |
| Biotin Impurity 7 | ||||
 | C4X-15638 | 22342-46-7 | Impurity | |
| Biotin Impurity 8 | ||||
