Formulation: A solid
Formal Name: (5α,17α)-13-ethyl-17-hydroxy-18,19-dinorpregn-20-yn-3-one
Purity: ≥95%
Formula Markup: C21H30O2
Formula Weight: 314,5
Shelf life (days): 1460
CAS Number: 78088-19-4
Notes: 5α-dihydro Levonorgestrel is a metabolite of the synthetic progestin levonorgestrel (Item No. 10006318).{47343,47344} It lacks in vitro and in vivo estrogenic activity, but induces copulatory behavior in male rats when administered at a dose of 1 mg per animal per day.