| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-100137 | 127955-44-6 | Impurity | |
| Erythromycin EP Impurity L | ||||
 | C4X-100138 | N/A | Impurity | |
| Erythromycin Impurity 38 | ||||
| C4X-100139 | N/A | Impurity | |
| Erythromycin Impurity 39 | ||||
 | C4X-10014 | 1675-02-1 | Impurity | |
| Erythromycin C | ||||
| C4X-100140 | N/A | Impurity | |
| Erythromycin Impurity 40 | ||||
| C4X-100141 | 33275-72-8 | Impurity | |
| Erythromycin Impurity 41 | ||||
 | C4X-100142 | 3225-82-9 | Impurity | |
| Erythromycin EP Impurity N | ||||
 | C4X-100143 | 33442-56-7 | Impurity | |
| Erythromycin EP Impurity K | ||||
 | C4X-100144 | 616234-56-1 | Impurity | |
| Erythromycin EP Impurity M | ||||
| C4X-100145 | 1094780-33-2 | Impurity | |
| Erythromycin Impurity 45 | ||||
