CAS: 797-63-7 - Levonorgestrel

Description: Levonorgestrel is a synthetic steroid or testosterone derivative widely used in the pharmaceutical industry as a hormonal drug. Its main applications are as a contraceptive in various pharmaceutical forms.

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
• 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

(-)-Norgestrel

CAS: 797-63-7

• Formula: C₂₁H₂₈O₂
• Purity: >98.0%(T)(HPLC)
• Color and Shape: White to Almost white powder to crystal
• Molecular weight: 312.45

LEVONORGESTREL (Ice shipment)

CAS: 797-63-7

• Formula: C21H28O2

Levonorgestrel for system suitability 2 CRS

CAS: 797-63-7

• Formula: C₂₁H₂₈O₂
• Color and Shape: Crystalline Powder. White. Powder.
• Molecular weight: 312.4458

Levonorgestrel CRS

CAS: 797-63-7

• Formula: C₂₁H₂₈O₂
• Color and Shape: Crystalline Powder. White. Powder.
• Molecular weight: 312.4458

Levonorgestrel

CAS: 797-63-7

• Formula: C₂₁H₂₈O₂
• Purity: 99.7%
• Color and Shape: Off White Solid
• Molecular weight: 312.20893

Levonorgestrel RS

CAS: 797-63-7

• Formula: C₂₁H₂₈O₂
• Molecular weight: 312.4458

Levonorgestrel for system suitability 1 CRS

CAS: 797-63-7

• Formula: C₂₁H₂₈O₂
• Color and Shape: Crystalline Powder. White. Powder.
• Molecular weight: 312.4458

Levonorgestrel

CAS: 797-63-7

Estrogens and progestins

• Formula: C₂₁H₂₈O₂
• Color and Shape: White Off-White Powder
• Molecular weight: 312.20893

Levonorgestrel

CAS: 797-63-7

Levonorgestrel (D-Norgestrel) is a Progestin and Progestin-containing Intrauterine Device.

• Formula: C₂₁H₂₈O₂
• Purity: 99.79% - 99.83%
• Color and Shape: Crystals From Methanol Solid
• Molecular weight: 312.45

Levonorgestrel

CAS: 797-63-7

• Formula: C₂₁H₂₈O₂
• Purity: %
• Color and Shape: Solid
• Molecular weight: 312.4458

Levonorgestrel-d6 (D-(-)-Norgestrel-d6)

CAS: 2376035-98-0 797-63-7

• Formula: C₂₁H₂₂D₆O₂
• Color and Shape: Off-White Solid
• Molecular weight: 318.49

Levonorgestrel (D-(-)-Norgestrel) (Etonogestrel EP Impurity G)

CAS: 797-63-7

• Formula: C₂₁H₂₈O₂
• Color and Shape: White To Off-White Solid
• Molecular weight: 312.45

Levonorgestrel

CAS: 797-63-7

• Formula: C₂₁H₂₈O₂
• Molecular weight: 312.45

(-)-Norgestrel-2,2,4,6,6,10-d6

CAS: 2376035-98-0 797-63-7

• Purity: 98 atom % D
• Color and Shape: White Solid
• Molecular weight: 318.49

Levonorgestrel

CAS: 797-63-7

• Formula: C₂₁H₂₈O₂
• Color and Shape: Neat
• Molecular weight: 312.45

Levonorgestrel

CAS: 797-63-7

• Formula: C₂₁H₂₈O₂
• Color and Shape: Neat
• Molecular weight: 312.45

Levonorgestrel 100 µg/mL in Acetonitrile

CAS: 797-63-7

• Formula: C₂₁H₂₈O₂
• Color and Shape: Single Solution
• Molecular weight: 312.45

(-)-Norgestrel-d6

CAS: 797-63-7

Applications Labelled (-)-Norgestrel, an emergency contraceptive. Levonorgestrel is safe, tolerated and effective in emergency contraception …

• Formula: C₂₁H₂₂D₆O₂
• Color and Shape: Neat
• Molecular weight: 318.48

(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

D-(-)-Norgestrel-d7

CAS: 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