| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-18277 | N/A | Impurity | |
| Methionine EP Impurity E | ||||
 | C4X-18282 | 62190-92-5 | Impurity | |
| Methenamine Impurity 2 | ||||
 | C4X-18291 | 112809-52-6 | Impurity | |
| Letrozole EP Impurity A | ||||
| C4X-182914 | 2451658-74-3 | Impurity | |
| Letrozole Impurity 14 | ||||
| C4X-182915 | 74231-65-5 | Impurity | |
| Letrozole Impurity 15 | ||||
| C4X-182919 | N/A | Impurity | |
| Letrozole Impurity 19 | ||||
 | C4X-18292 | 113402-31-6 | Impurity | |
| Letrozole EP Impurity B | ||||
| C4X-182924 | N/A | Impurity | |
| Letrozole Impurity 24 | ||||
| C4X-182925 | 1250126-45-4 | Impurity | |
| Letrozole Impurity 25 | ||||
 | C4X-182929 | 612-13-5 | Impurity | |
| Letrozole Impurity 29 | ||||
