| Cat. No. | NA |
|---|---|
| Cas. No. | 38673-36-8 |
| Molecular Formula | C20H26O2 |
| Formula Weight | 298.4 |
| Synonyms | 17-epi-norethisterone ; Norethindrone 17-epi-Impurity ; 18-Methyllevonorgestrel |
| Chemical Name | 17-hydroxy-19-norpregn-4-en-20-yn-3-one (as per EP) |
| Category | Impurity Standards |