| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-17462 | 142382-16-9 | Impurity | |
| 42-O-Desmethyl Rapamycin | ||||
 | C4X-174620 | N/A | Impurity | |
| Rapamycin Impurity 20 (Mixture of Isomers) | ||||
| C4X-174621 | 151945-42-5 | Impurity | |
| Rapamycin Impurity 21 | ||||
 | C4X-174622 | 185107-79-3 | Impurity | |
| Rapamycin Impurity 22 | ||||
| C4X-174623 | N/A | Impurity | |
| Rapamycin Impurity 23 | ||||
| C4X-174624 | N/A | Impurity | |
| Rapamycin Impurity 24 | ||||
| C4X-174625 | 151945-42-5 (racemic) | Impurity | |
| Rapamycin Impurity 25 | ||||
 | C4X-17465 | 147438-27-5 | Impurity | |
| Seco Rapamycin | ||||
| C4X-17466 | 156223-31-3 | Impurity | |
| Rapamycin Impurity 6 | ||||
| C4X-17467 | N/A | Impurity | |
| Rapamycin Impurity 7 | ||||
