... ,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:897-06-3Purity:≥99%Formula:C19H24O2Molecular Weight:284.39300Our Advantage:1 ... UPS,DHL,EMS TNT USPS), by air or by sea.4. 24 hours sales and aftersales service :Any of your ...