Drostanolone Propionate Infor Chemical name:Drostanolone Propionate Other name:Masteron; Dromostanolone Propionate CAS 521-12-0 Assay:99% min. Packing:foil bag or tin. Character White crystalline powder Drostanolone Enanthate vs Drostanolone Propionate Longer esters like enanthate (enan) can be injected less often, usually once (1) or twice (2) per week. On the other hand, shorter esters like propionate (prop) are usually injected every day or …