CAS Registry Number®
797-63-7
CAS Name
Levonorgestrel
Molecular Formula
C21H28O2
Molecular Mass
312.45
Compound Properties
-
Melting Point (1)
235-237 °C
Source(s)
- (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
Other Names and Identifiers
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
InChIKey
InChIKey=WWYNJERNGUHSAO-UHFFFAOYSA-N
SMILES
C(C)C12C(C3C(CC1)C4C(CC3)=CC(=O)CC4)CCC2(C#C)O
Canonical SMILES
O=C1C=C2CCC3C(CCC4(CC)C3CCC4(O)C#C)C2CC1
Other Names for this Substance
- 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17α)-
- 18,19-Dinor-17α-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-
- (17α)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one
- 13-Ethyl-17α-ethynylgon-4-en-17β-ol-3-one
- 13β-Ethyl-17α-ethynyl-17β-hydroxygon-4-en-3-one
- 19-Nortestosterone, 17-ethynyl-18-methyl-
- 17β-Hydroxy-18-methyl-19-nor-17α-pregn-4-en-20-yn-3-one
- 18-Methyl-17α-ethynyl-19-nortestosterone
- 17α-Ethynyl-17-hydroxy-18-methylestr-4-en-3-one
- 17α-Ethynyl-18-methyl-19-nortestosterone
- 13-Ethyl-17α-ethynyl-17-hydroxygon-4-en-3-one
- 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one
- 17α-Ethynyl-18-homo-19-nortestosterone
- 13-Ethyl-17-ethynyl-17β-hydroxy-4-gonen-3-one
- 17α-Ethynyl-13β-ethyl-3-oxo-4-estren-17β-ol
- Levonorgestrel
- 17α-Ethynyl-13-ethyl-19-nortestosterone
- Norplant
- Follistrel
- D-(-)-Norgestrel
- Norplant 2
- 18-Methylnorethindrone
- Microluton
- (-)-Norgestrel
- D-Norgestrel
- Norplant II
- Levonova
- Jadelle
- Norlevo
- Mirena
- Norgestrelem
- Wy 5104
- Microlut
- Norgeston
- Dexnorgestrel
- Microval
- Postinor 2
- Lng-IUS
- d-(17α)-17-Hydroxy-13-ethyl-18,19-dinorpregn-4-en-20-yn-3-one
- Femilis
- Femilis Slim
- Sino-implant (II)
- Plan B One-Step
- Skyla
- Jaydess
- MeSH ID: D016912
Deleted or Replaced CAS Registry Numbers
121714-72-5, 797-62-6, 4222-79-1, 1050679-25-8
