cas: 68-22-4 — see every product listed under this CAS number, including other names
Levonorgestrel Impurity 21（Levonorgestrel EP Impurity U） (CAS 68-22-4) is a chemical reagent available from Chemat. Available pack sizes: 10mg, 25mg, 50mg, 100mg, 200mg. Offered by: Hubei YoungXin.
| brand | Hubei YoungXin |
|---|---|
| catalog number | 116521L-10mg |
| cas | 68-22-4 |
| size | 10mg |
| availability | Do potwierdzenia przez Chemat|To be confirmed by Chemat |
| brand | size | price | |
|---|---|---|---|
| Hubei YoungXin | 10mg | price on request | |
| Hubei YoungXin | 25mg | price on request | |
| Hubei YoungXin | 50mg | price on request | |
| Hubei YoungXin | 100mg | price on request | |
| Hubei YoungXin | 200mg | price on request |
| purity | No data |
|---|---|
| delivery time | To be confirmed by Chemat |
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)