CAS 68-22-4 appears in our catalog under these names: Norethindrone, min. 95 %, 5 g, Norethindrone (Norethisterone Acetate EP Impurity A, Levonorgestrel EP Impurity U), Levonorgestrel Impurity 21（Levonorgestrel EP Impurity U）, Norethindrone, Norethindrone, >95% (HPLC). Offered by: Roth, Chemat Brand, Hubei YoungXin, TRC, Mikromol. Available pack sizes: 5g, on request, 10mg, 25mg, 50mg, 100mg, 200mg, 1g.
Norethisterone is a 17beta-hydroxy steroid that is testosterone in which the hydrogen at position 17 is replaced by an ethynyl group and in which the methyl group attached to position 10 is replaced by hydrogen. It has a role as a synthetic oral contraceptive and a progestin. It is a tertiary alcohol, a 17beta-hydroxy steroid, a 3-oxo-Delta(4) steroid and a terminal acetylenic compound. It derives from a hydride of an estrane.
Source: ChEBI
| Molecular formula | C20H26O2 |
|---|---|
| Molecular weight | 298.4 g/mol |
| IUPAC name | (8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one |
| InChIKey | VIKNJXKGJWUCNN-XGXHKTLJSA-N |
| SMILES | C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CCC4=CC(=O)CC[C@H]34 |
Computed by PubChem (NCBI)