... ,USPS,TNT,ect.Product Name:Androsta-1,4-diene-3,17-dioneSynonyms:1,4-androstadien-3,17-dione;1,4-Androstadiendione;Apperance:White crystal powderCAS No ... :C19H24O2Molecular Weight:284.39300Our Advantage:1.Fast delievery:We have mass stock of this product so we can delivery quickly after we ... best and the most sincere services as possible as we can.