| Name: | Mometasone Impurity K |
| Catalogue No. | VL4080015 |
| CAS No. | 4647-20-5 |
| Molecular Formula | C₂₂H₂₉ClO₅ |
| Molecular Weight | 408.92 |
| Status | In-stock |
| IUPAC Name | 11β,16α)-9-Chloro-11,17,21-trihydroxy-16-methyl-pregna-1,4-diene-3,20-dione |
| Description | Mometasone Impurity K (CAS No: 4647-20-5) is an impurity present in the synthesis of mometasone which is extensively used to treat inflammation, allergy, and diseases associated with adrenal cortex insufficiency therapies since their introduction to the worldwide market. |
| References | Das, Saibal Kumar, et al. “Improvements in Corticosteroid 21-Acetoxy-17α-Hydroxy-16α-Methyl-Pregna-1,4,9(11)-Triene-3,20-Dione Synthesis and Its Use as Common Intermediate in the Synthesis of Some Impurities Related to Dexamethasone and Mometasone.” Steroids, vol. 148, Aug. 2019, pp. 47–55, https://doi.org/10.1016/j.steroids.2019.04.008. |
