Norgestrel
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Norgestrel
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| Systematic (IUPAC) name | |
| (8R,9S,10R,13S,14S,17S)- 13-ethyl-17-ethynyl-17-hydroxy- 1,2,6,7,8,9,10,11,12,14,15, 16- dodecahydrocyclopenta[a]phenanthren-3-one | |
| Identifiers | |
| CAS number | 6533-00-2 |
| ATC code | G03AC03 |
| PubChem | 13109 |
| DrugBank | APRD00106 |
| Chemical data | |
| Formula | C21H28O2 |
| Mol. weight | 312.446 g/mol |
| Pharmacokinetic data | |
| Bioavailability | ? |
| Metabolism | ? |
| Half life | 5-14 hours |
| Excretion | ? |
| Therapeutic considerations | |
| Pregnancy cat. |
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| Legal status | |
| Routes | ? |
Norgestrel is a progestin used in hormonal contraceptives. Norgestrel is a mixture of two stereoisomers, dextro-norgestrel and levo-norgestrel. Only levonorgestrel is biologically active. Therefore, while some medications may contain dextronorgestrel, they are often labeled in terms of their levonorgestrel content only, ignoring the inert isomer.
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