CAS 797-63-7
:Levonorgestrel
Description:
Levonorgestrel is a synthetic progestin, primarily used in hormonal contraceptives and emergency contraception. It is characterized by its ability to inhibit ovulation, thicken cervical mucus, and alter the endometrial lining, thereby preventing pregnancy. Chemically, it is a derivative of norethisterone and belongs to the class of compounds known as 19-nortestosterone derivatives. Levonorgestrel is typically administered in various forms, including oral tablets, intrauterine devices (IUDs), and implants. Its molecular formula is C21H28O2, and it has a relatively high lipophilicity, which contributes to its effectiveness and duration of action in the body. The substance is generally well-tolerated, but it can have side effects such as nausea, headache, and changes in menstrual bleeding patterns. Levonorgestrel is also used in combination with estrogen in some contraceptive formulations. Its mechanism of action and pharmacokinetics make it a crucial component in reproductive health management.
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:C(C)[C@@]12[C@]([C@]3([C@](CC1)([C@@]4(C(CC3)=CC(=O)CC4)[H])[H])[H])(CC[C@]2(C#C)O)[H]
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
- 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
- See more synonyms
Sort by
Purity (%)
0
100
|
0
|
50
|
90
|
95
|
100
Found 25 products.
(-)-Norgestrel
CAS:Formula:C21H28O2Purity:>98.0%(T)(HPLC)Color and Shape:White to Almost white powder to crystalMolecular weight:312.45LEVONORGESTREL CRS
CAS:LEVONORGESTREL CRSFormula:C21H28O2Color and Shape:Crystalline Powder. White. Powder.Molecular weight:312.4458LEVONORGESTREL FOR SYSTEM SUITABILITY 1 CRS
CAS:LEVONORGESTREL FOR SYSTEM SUITABILITY 1 CRSFormula:C21H28O2Color and Shape:Crystalline Powder. White. Powder.Molecular weight:312.4458Levonorgestrel
CAS:LevonorgestrelFormula:C21H28O2Purity:99.7%Color and Shape:Off White SolidMolecular weight:312.20893LEVONORGESTREL FOR SYSTEM SUITABILITY 2 CRS
CAS:LEVONORGESTREL FOR SYSTEM SUITABILITY 2 CRSFormula:C21H28O2Color and Shape:Crystalline Powder. White. Powder.Molecular weight:312.4458Levonorgestrel
CAS:Estrogens and progestinsFormula:C21H28O2Color and Shape:White Off-White PowderMolecular weight:312.20893Levonorgestrel
CAS:<p>Levonorgestrel (D-Norgestrel) is a Progestin and Progestin-containing Intrauterine Device.</p>Formula:C21H28O2Purity:99.42% - 99.44%Color and Shape:Crystals From Methanol SolidMolecular weight:312.45Levonorgestrel (D-(-)-Norgestrel), Etonogestrel EP Impurity G)
CAS:Formula:C21H28O2Color and Shape:White To Off-White SolidMolecular weight:312.45(-)-Norgestrel-2,2,4,6,6,10-d6
CAS:Purity:98 atom % DColor and Shape:White SolidMolecular weight:318.49Levonorgestrel 100 µg/mL in Acetonitrile
CAS:Formula:C21H28O2Color and Shape:Single SolutionMolecular weight:312.45D-(-)-Norgestrel
CAS:<p>Impurity Norgestimate USP Related Compound A<br>Applications D-(-)-Norgestrel is an emergency contraceptive. Levonorgestrel is safe, tolerated and effective in emergency contraception in woman. Norgestimate USP Related Compound A.<br>References Fotherby, K., et al.: J. Steroid Biochem., 19(1C), 817 (1983), Stanczyk, F. Z., et al.: Contraception, 42, 67 (1990),;<br></p>Formula:C21H28O2Color and Shape:NeatMolecular weight:312.45D-(-)-Norgestrel-d7
CAS:Controlled Product<p>Applications An emergency contraceptive. Levonorgestrel is safe, tolerated and effective in emergency contraception in woman.<br>References Fotherby, K., et al.: J. Steroid Biochem., 19(1C), 817 (1983), Stanczyk, F. Z., et al.: Contraception, 42, 67 (1990), Bednarek, P., et al.: Drugs, 67, 2478 (2007),<br></p>Formula:C21H21D7O2Color and Shape:NeatMolecular weight:319.49D-(-)-Norgestrel - Bio-X ™
CAS:Controlled Product<p>D-(-)-Norgestrel is a synthetic progesterone analog and has been shown to have high affinity for progesterone receptors, making it effective in preventing pregnancy by inhibiting ovulation and thickening the cervical mucus to prevent sperm from reaching the egg. D-(-)-Norgestrel also contains an alkyne group, making it a useful click chemistry reagent, and is an antioxidant in vivo.<br>This product is part of our Bio-X ™ Range. These products are aimed at life science researchers who need high quality ready-to-use products for assay development, screening or other R&D work. With a solubility datasheet and convenient vials, all of our Bio-X ™ products are in stock across our global warehouses for rapid delivery and ease of use.</p>Formula:C21H28O2Purity:Min. 95%Color and Shape:PowderMolecular weight:312.45 g/molD-(-)-Norgestrel
CAS:Controlled Product<p>D-(-)-Norgestrel is a progestin having similar effects to those of the hormone progesterone</p>Formula:C21H28O2Purity:Min. 98 Area-%Color and Shape:White PowderMolecular weight:312.45 g/mol(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:Formula:C21H28O2Purity:99+%Molecular weight:312.453D-(-)-Norgestrel Sulfate Sodium Salt
CAS:Controlled Product<p>Stability Hygroscopic<br>Applications A metabolite of Norgestrel.<br></p>Formula:C21H27NaO5SColor and Shape:NeatMolecular weight:414.491
![(1S,2R,10R,11S,14R,15S)-15-ethyl-14-ethynyl-14-hydroxytetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-…](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F10%2Fthumb%2FF358122.jpg&w=3840&q=75)
