1. APIs
  2. Etonogestrel
  3. Etonogestrel Metabolites

Etonogestrel Metabolites

Name Structure Notes
3-Keto-5α-dihydrodesogestrel structure Lower Progesterone Receptor and Estrogen Receptor activity than etonogestrel.
13-Hydroxyethyletonogestrel structure
6β-Hydroxyetonogestrel structure Primary metabolite from human hepatic microsome metabolism. Likely formed by CYP3A4, as this enzyme is responsible for 6β-hydroxylation pathways in other steroids.