Levonorgestrel

Synonyms: Levonorgestrel, "norgestrel", "D-Norgestrel", "(-)-Norgestrel", "Microval", "Levonova", "Postinor", "Mirena", "Ovrette", "Neogest", "Jadelle", "Plan B", "NORPLANT", "Norplant 2", "Microlution", "Follistrel", "Triciclor", "Microgyn", "Trivora", "Monovar", "Ovranette", "Triagynon", "Microlut", "Nordet", "Trigoa", "18-Methylnorethisterone", "Levonorgestrelum", "Microgynon CD", "Microgest ED", "Norplant II", "Ovral-Lo", "Logynon ED", "Levlen ED", "Trinordiol 28", "Trinordiol 21", "Microgynon 28", "Microgynon 21", "d(-)-Norgestrel", "Monofeme 28", "Neogynon 21", "Nordette 28", "Minivlar 30", "Stediril 30", "Nordette 21"

Source: Levonorgestrel is an effective drug for post-coital contraception.

Identifiers:

IUPAC Name: (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one
CAS Number: 797-63-7
PubChem ID: 13109
InChiKey: WWYNJERNGUHSAO-XUDSTZEESA-N
Canonical SMILES: CCC12CCC3C(C1CCC2(C#C)O)CCC4=CC(=O)CCC34

Structural Properties:

Molecular Formula: C₂₁H₂₈O₂
Molecular Weight: 312,400

Pharmacophore Features:

Number of bond donors: 1
Number of bond acceptors: 2
Number of atoms different from hydrogen: 23

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Evidence Supporting This Chemical as an Emerging Contaminant

Machado, K. C., Grassi, M. T., Vidal, C., Pescara, I. C., Jardim, W. F., Fernandes, A. N., ... & Nunes, C. R. (2016). A preliminary nationwide survey of the presence of emerging contaminants in drinking and source waters in Brazil. Science of the Total Environment, 572, 138-146.

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