| post date: | dec 26,2021 |
| expiry date: | jun 24,2022 |
| detailed description: | cas no. :68-22-4 |
| cas registry number: | 68-22-4 |
| synonyms: | ;norethisterone,98%;17-alpha-ethynyl-17-beta-hydroxyoestr-4-en-3-one;norethisterone;17-ethynyl-17-hydroxyestr-4-en-3-one;(17beta)-17-ethynyl-17-hydroxyestr-4-en-3-one;(8xi,9xi,14xi,17beta)-17-ethynyl-17-hydroxyestr-4-en-3-one; |
| molecular formula: | c20h26o2 |
| molecular weight: | 298.4192 |
| molecular structure: | 
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