Drugs Information: Levonorgestrel

Basic Information

ID DDInter1061
Drug Type small molecule
Molecular Formula C21H28O2
Molecular Weight 312.453
Description Levonorgestrel is a progestin found in oral and IUD contraceptives and at higher doses in emergency contraceptives.
ATC Classification G03AB03 G03AD01 G03AC03 G03FB09 G03AA07 More
IUPAC Name (1S,2R,10R,11S,14R,15S)-15-Ethyl-14-Ethynyl-14-Hydroxytetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]Heptadec-6-En-5-One
InChI Inchi=1S/C21H28O2/C1-3-20-11-9-17-16-8-6-15(22)13-14(16)5-7-18(17)19(20)10-12-21(20,23)4-2/H2,13,16-19,23H,3,5-12H2,1H3/T16-,17+,18+,19-,20-,21-/M0/S1
InChI Key WWYNJERNGUHSAO-XUDSTZEESA-N
Canonical SMILES [H][C@@]12CC[C@@](O)(C#C)[C@@]1(CC)CC[C@]1([H])[C@@]3([H])CCC(=O)C=C3CC[C@@]21[H]
Useful Links DrugBank ChEMBL PubChem

Interactions with Levonorgestrel

Severity level ID Name Mechanism Detail