CAS 797-63-7: Levonorgestrel
Formula:C21H28O2
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:InChIKey=WWYNJERNGUHSAO-XUDSTZEESA-N
SMILES:O=C1C=C2CCC3C(CCC4(CC)C3CCC4(O)C#C)C2CC1
- Synonyms:
- (-)-Norgestrel
- (14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one (non-preferred name)
- (17α)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-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-17-Hydroxy-19-Dinor-17-Alpha-Pregn-4-En-20-Yn-3-On(+)-1
- 13-Ethyl-17-ethynyl-17β-hydroxy-4-gonen-3-one
- 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one
- 13-Ethyl-17α-ethynyl-17-hydroxygon-4-en-3-one
- 13-Ethyl-17α-ethynylgon-4-en-17β-ol-3-one
- See more synonyms
- 13β-Ethyl-17α-ethynyl-17β-hydroxygon-4-en-3-one
- 17-Alpha-Ethinyl-13-Beta-Ethyl-17-Beta-Hydroxy-4-Estren-3-One
- 17-Beta-Hydroxy-18-Methyl-19-Nor-17-Alpha-Pregn-4-En-20-Yn-3-One
- 17-Ethynyl-18-Methyl-19-Nortestosteron
- 17-Ethynyl-18-Methyl-19-Nortestosterone
- 17α-Ethynyl-13-ethyl-19-nortestosterone
- 17α-Ethynyl-13β-ethyl-3-oxo-4-estren-17β-ol
- 17α-Ethynyl-17-hydroxy-18-methylestr-4-en-3-one
- 17α-Ethynyl-18-homo-19-nortestosterone
- 17α-Ethynyl-18-methyl-19-nortestosterone
- 17β-Hydroxy-18-methyl-19-nor-17α-pregn-4-en-20-yn-3-one
- 18,19-Dinor-17α-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-
- 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17α)-
- 18-Methyl-17-Alpha-Ethynyl-19-Nortestosterone
- 18-Methyl-17α-ethynyl-19-nortestosterone
- 18-Methylnorethindrone
- 19-Nortestosterone, 17-ethynyl-18-methyl-
- <span class="text-smallcaps">D</span>-(-)-Norgestrel
- D-(-)-Norgestrel
- Dexnorgestrel
- Femilis
- Femilis Slim
- Follistrel
- Jadelle
- Jaydess
- Levonorgestrel
- Levonova
- Lng-IUS
- Microlut
- Microluton
- Microval
- Mirena
- Norgeston
- Norgestrel (L-)
- Norgestrelem
- Norlevo
- Norplant
- Norplant 2
- Norplant II
- Plan B One-Step
- Postinor 2
- Sino-implant (II)
- Skyla
- Wy 5104
- d-(17α)-17-Hydroxy-13-ethyl-18,19-dinorpregn-4-en-20-yn-3-one

(1S,2R,10R,11S,14R,15S)-15-ethyl-14-ethynyl-14-hydroxytetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-6-en-5-one
CAS:797-63-7
Purity:
97.0%
Molecular weight:
312.4530029296875
Ref: 10-F358122
1g | To inquire |
Estimated delivery in United States, on Tuesday 29 Apr 2025

D-(-)-Norgestrel-d7
Controlled ProductCAS:797-63-7
Applications An emergency contraceptive. Levonorgestrel is safe, tolerated and effective in emergency contraception in woman. …
Formula:
C21H21D7O2
Color and Shape:
Neat
Molecular weight:
319.49
Ref: TR-N689512
1mg | 411.00 € | ||
10mg | 2,740.00 € |
Estimated delivery in United States, on Tuesday 29 Apr 2025

D-(-)-Norgestrel - Bio-X ™
Controlled ProductCAS:797-63-7
D-(-)-Norgestrel is a synthetic progesterone analog and has been shown to have high affinity for …
Formula:
C21H28O2
Purity:
Min. 95%
Color and Shape:
Powder
Molecular weight:
312.45 g/mol
Ref: 3D-BN300105
100mg | 147.00 € |
Estimated delivery in United States, on Wednesday 30 Apr 2025

D-(-)-Norgestrel
Controlled ProductCAS:797-63-7
D-(-)-Norgestrel is a progestin having similar effects to those of the hormone progesterone
Formula:
C21H28O2
Purity:
Min. 98 Area-%
Color and Shape:
White Powder
Molecular weight:
312.45 g/mol
Ref: 3D-FN26454
10g | 373.00 € | ||
25g | 531.00 € | ||
50g | 817.00 € | ||
100g | 1,184.00 € | ||
250g | 2,595.00 € |
Estimated delivery in United States, on Wednesday 30 Apr 2025

D-(-)-Norgestrel Sulfate Sodium Salt
Controlled ProductCAS:797-63-7
Stability Hygroscopic Applications A metabolite of Norgestrel.
Formula:
C21H27NaO5S
Color and Shape:
Neat
Molecular weight:
414.491
Ref: TR-N689520
10mg | 340.00 € | ||
100mg | 2,162.00 € |
Estimated delivery in United States, on Friday 30 May 2025