C21H28O2
312.4 g/mol
APIDanger
Levonorgestrel
CAS6533-00-2EC212-349-8
Category
API
Compound Class
Steroid
Primary Use
Pharmaceutical Raw Material
Levonorgestrel is a synthetic progestin used as an active pharmaceutical ingredient in contraceptive products. According to state or federal government labeling requirements, levonorgestrel implants can cause female reproductive toxicity.
Combined oral contraceptive with ethinylestradiol (monophasic, biphasic, triphasic regimens)Progestin-only contraceptive pillSubdermal contraceptive implant
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 6533-00-2
Related Compounds
StrongSame Parent
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Safety Reference
Danger
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
H351Suspected of causing cancer
H360May damage fertility or the unborn child
H362May cause harm to breast-fed children
H315Causes skin irritation
H319Causes serious eye irritation
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
Identifiers
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
InChIKey
WWYNJERNGUHSAO-XUDSTZEESA-N
SMILES
CC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CCC4=CC(=O)CC[C@H]34
Synonyms (172)
- LNG
- LNG-IUS
- Levonorgestrel (JAN/USP/INN)
- Levonorgestrel for system suitability 2, European Pharmacopoeia (EP)
- Levonorgestrel, British Pharmacopoeia (BP)
- Levonorgestrel, European Pharmacopoeia (EP)
- Levonorgestrel, United States Pharmacopeia (USP)
- Levonorgestrel; Norgestimate EP Impurity B
- Levonorgestrelum [INN-Latin]
- Norgestrel (JP17/USP/INN)
- Norgestrelum [INN-Latin]
- (-)-Norgestrel
- 18-Methylnorethisterone
- 1lhv
- After Banger
- AfterPlan
- Aftera
- Afterpill
- Athentia Next
- BAY 86-5028
- CRYSELLE COMPONENT NORGESTREL
- Curae
- D-Norgestrel
- Dexnorgestrel (obsol.);
- E-Gen-C
- EContra One-Step
- Econ Morning After
- Emergency Contraceptive
- Emerres
- Emerres una
- Empowered Choice
- Ezinelle
- FH 122-A
- Fallback Solo
- Fem Choice morning after
- Follistrel
- Her Style
- IMPLANT WITH LEVONORGESTREL
- ITHAPPENZ MORNING AFTER
- Intrauterine levonorgestrel
- Isteranda
- Jadelle
- Jaydess
- Julie
- Kyleena
- L-Norgestrel
- LD norgestrel [French]
- LEVONORGESTREL [MART.]
- Levlen ED
- Levogel
- Levonelle
- Levonelle one step
- Levonorgestrel
- Levonorgestrel (Levonelle)
- Levonorgestrel (Standard)
- Levonorgestrel 1.5 mg
- Levonorgestrel CRS
- Levonorgestrel RS
- Levonorgestrel Tablet, 1.5 mg
- Levonorgestrel implant
- Levonorgestrel implants
- Levonorgestrelum
- Levonova
- Levosert
- Liletta
- Logynon ED
- Microgest ED
- Microgyn
- Microgynon 21
- Microgynon 28
- Microgynon 30 ED
- Microgynon CD
- Microlut
- Microlution
- Microluton
- Microval
- Minivlar 30
- Mirena
- Mirena (TN)
- Monofeme 28
- Monovar
- Morning After
- My Choice TM
- My Way
- NORGESTIMATE IMPURITY B
- NORGESTREL [MART.]
- Neogest
- Neogynon 21
- New Day
- Next Choice One Dose
- Next choice
- NorLevo
- Nordet
- Nordette 21
- Nordette 28
- Norgeston
- Norgestrel (-)-form
- Norgestrel CRS
- Norgestrel [Progestins]
- Norgestrel-(-)-D
- Norgestrelum
- Norplant (TN)
- Norplant 2
- Norplant II
- Norplant System
- OVRAL COMPONENT NORGESTREL
- Opcicon One-step
- Option 2
- Optionelle
- Oral levonorgestrel
- Ovoplex 30-150
- Ovral-Lo
- Ovranette
- Ovrette
- Ovrette (TN)
- Plan B
- Plan B One-Step
- PostDay One-Step
- Postinor
- Preven
- React
- Rigevidon 21+7
- SheWise
- Skyla
- Skyla (TN)
- Stediril 30
- Stix Restart
- Take Action
- Tri-Levlen 21
- Triagynon
- Triciclor
- Trifeme 28
- Trigoa
- Trinordiol 21
- Trinordiol 28
- Triphasil 21
- Triphasil 28
- Triquilar ED
- Upostelle
- Wy 3707
- basic care levonorgestrel
- dl-Norgestrel