Compound Q&A
What is Levonorgestrel (D-(-)-Norgestrel) (CAS: 797-63-7)?
Answer
Levonorgestrel (D-(-)-Norgestrel), with the CAS number 797-63-7, is a synthetic progestin used in hormonal contraceptives. It is a derivative of norgestrel and has the chemical formula C21H28O2. The compound is characterized by its potency as a progesterone receptor agonist and its ability to inhibit ovulation, making it a key component in emergency contraceptive pills and other hormonal therapies.
About
CAS No
797-63-7
English Name
Levonorgestrel (D-(-)-Norgestrel) (Etonogestrel EP Impurity G)
Molecular Formula
C20H30O2
Molecular Weight
302.46 g/mol
SMILES
CC[C@@]12CC[C@H]3[C@@H](CCC4=CC(=O)CC[C@H]34)[C@@H]2CC[C@@]1(O)C#C
InChIKey
SLAJADUWNNAURO-XGXHKTLJSA-N
Last Updated: 2025-08-25 01:08