Levonorgestrel, CAS Number: 797-63-7

Synonyms: 121714-72-5, 13-beta-Ethyl-17alpha-ethynyl-17beta-hydroxygon-4-en-3-one, 13beta-Ethyl-17alpha-ethynyl-17beta-hydroxygon-4-en-3-one, 13-BETA-ETHYL-17-ALPHA-ETHYNYL-17-BETA-HYDROXYGON-4-EN-3-ONE, 13-Ehyl-17alpha-ethynyl-17-hydroxygon-4-en-3-one, 13-Ethyl-17-alpha-ethynyl-17-beta-hydroxy-4-gonen-3-one, 13-Ethyl-17-alpha-ethynylgon-4-en-17-beta-ol-3-one, 13-Ethyl-17alpha-ethynylgon-4-en-17beta-ol-3-one, 13-ethyl-17alpha-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one, (-)-13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one, (+-)-13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one, 13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one, 17-alpha-Ethinyl-13-beta-ethyl-17-beta-hydroxy-4-estren-3-one, 17alpha-Ethynyl-13beta-ethyl-3-oxo-4-estren-17beta-ol, 17-alpha-Ethynyl-13-ethyl-19-nortestosterone, 17alpha-Ethynyl-13-ethyl-19-nortestosterone, 17alpha-ethynyl-17beta-hydroxy-18a-homoestr-4-en-3-one, 17alpha-Ethynyl-17-hydroxy-18-methylestr-4-en-3-one, 17alpha-Ethynyl-18-homo-19-nortestosterone, 17alpha-Ethynyl-18-homo-19-nor-testosterone, 17-beta-Hydroxy-18-methyl-19-nor-17-alpha-pregn-4-en-20-yn-3-one, 17-Ethynyl-18-methyl-19-nortestosterone, 18,19-Dinor-13beta-ethyl-17beta-hydroxy-4-pregnen-20-yn-3-one, 18,19-Dinor-17-alpha-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, 18,19-Dinor-17-alpha-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (+-
)-, 18,19-Dinor-17-alpha-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (+)
-, 18,19-Dinor-4-pregnen-20-yn-3-one, 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-(-)
-, 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-(+-
)-, 18-Methyl-17-alpha-ethynyl-19-nortestosterone, 18-Methylnorethisterone, 19-Nortestosterone, 17-ethynyl-18-methyl-, 284858_ALDRICH, 4222-79-1, 6533-00-2, 797-62-6, 797-63-7, (−)-Norgestrel, (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, Alcala Brand of Levonorgestrel, Alesse, Aventis Pharma Brand of Levonorgestrel, AVIANE-21, AVIANE-28, Berlex Brand of Levonorgestrel, BPBio1_000932, BRN 2391114, BSPBio_000846, C08149, C08153, C21H28O2, Capronor, CCRIS 6525, CCRIS 9033, Cerazet, CHEBI:6443, Climara Pro, CPD000059117, CRYSELLE, D00950, D00954, D016912, D(−)-Norgestrel, DB00367, DB00506, dl-13-beta-Ethyl-17-alpha-ethynyl-17-beta-hydroxygon-4-en-3-one, dl-13-beta-Ethyl-17-alpha-ethynyl-19-nortestosterone, d(-)-Norgestrel, D Norgestrel, D-Norgestrel, D-(-)-Norgestrel, duofem, E-Gen-C, EINECS 212-349-8, EINECS 229-433-5, ENPRESSE-21, ENPRESSE-28, FH 122-A, Follistrel, Hexal Brand of Levonorgestrel, HRA Brand 1 of Levonorgestrel, HRA Brand 2 of Levonorgestrel, HSDB 3595, HSDB 6483, Jadelle, LD norgestrel [French], LESSINA-21, LESSINA-28, Levlen, Levlen ED, LEVLITE, Levonorgestrel, Levonorgestrel Alcala Brand, Levonorgestrel Berlex Brand, Levonorgestrel Hexal Brand, Levonorgestrel implants, Levonorgestrel (JAN/USP/INN), Levonorgestrel Paladin Brand, Levonorgestrelum [INN-Latin], Levonorgestrel [USAN:BAN:INN], Levonorgestrel [USAN:INN:BAN], Levonorgestrel Wyeth Brand, Levonova, LEVORA 0.15/30-21, LEVORA 0.15/30-28, Levora-21, Levora-28, LMST02030119, l Norgestrel, L-Norgestrel, Logynon ED, LO/Ovral, LO/OVRAL-28, LOW-OGESTREL-21, LOW-OGESTREL-28, LS-62083, LS-62084, Methylnorethindrone, Microgest ED, Microgyn, Microgynon 21, Microgynon 28, Microgynon 30 ED, Microgynon CD, Microlut, Microlution, Microval, Minivlar 30, Mirena, Mirena (TN), Mixture Name, MLS000069491, MLS000759484, MLS001074069, Monofeme 28, Monovar, N2260_SIGMA, NCGC00159349-02, NCGC00159349-03, Neogest, Neogynon 21, NOG, Nordet, Nordette, Nordette 21, NORDETTE-21, Nordette 28, NORDETTE-28, Norgeston, norgestrel, (-)-Norgestrel, Norgestrel-(-)-D, Norgestrel (JP15/USP/INN), Norgestrel [Progestins], Norgestrelum [INN-Latin], Norgestrel [USAN:BAN:INN:JAN], Norgestrel [USAN:INN:BAN:JAN], NorLevo, NORPLANT, Norplant2, Norplant 2, Norplant-2, Norplant II, Norplant System in Plastic Container, Norplant (TN), OGESTREL 0.5/50-21, OGESTREL 0.5/50-28, Ovoplex 30-150, Ovral, OVRAL-28, Ovral-Lo, Ovranette, Ovrette, Ovrette (TN), Paladin Brand of Levonorgestrel, Plan B, PORTIA-21, PORTIA-28, Postinor, Prestwick0_000773, Prestwick1_000773, Prestwick_109, Prestwick2_000773, Prestwick3_000773, Preven, PREVEN EMERGENCY CONTRACEPTIVE KIT, Rigevidon 21+7, SAM001246694, Schering Brand 1 of Levonorgestrel, Schering Brand 2 of Levonorgestrel, Schering Brand 3 of Levonorgestrel, Seasonale, Seasonique, SH 70850, SH 850, SMR000059117, SMR000653526, SPBio_002785, Stediril 30, STOCK1N-07575, Triagynon, Triciclor, Trifeme 28, Trigoa, Tri-Levlen, Tri-Levlen 21, Trinordiol 21, Trinordiol 28, Triphasil, Triphasil 21, Triphasil-21, Triphasil 28, TRIPHASIL-28, Triquilar ED, Trivora, TRIVORA-21, TRIVORA-28, Vikela, Women's Capital Brand of Levonorgestrel, Wy 3707, Wy-3707, Wy-5104, Wyeth Brand of Levonorgestrel

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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
Chemical Formula	C₂₁H₂₈O₂

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