∆-5(10)-Gestodene

(17α)-13-Ethyl-17-hydroxy-18,19-dinorpregna-5,15-dien-20-yn-3-one; Gestodene Impurity B;

Suspected of damaging fertility or the unborn child.

>95% (HPLC)

O=C1CCC2=C(CC[C@@]([H])([C@@]34[H])[C@]2([H])CC[C@@]3([C@](O)(C#C)C=C4)CC)C1

C21H26O2

310.43

Ice Packs

-20°C