Formal Name 17α-hydroxy-7α-methyl-19-norpregn-5(10)-en-20-yn-3-one CAS Number 5630-53-5 Molecular Formula C21H28O2 Formula Weight 312.5 Purity ≥98% Synonyms Livial, Liviella Formulation A crystalline solid Storage -20ºC Shipping Domestic Delivery Service Stability ≥ 2 years Scheme Rec.INN