Product name:Estra-4,9-diene-3,17-dione 98% (Manufacturer)/kerry(at)whzcchem.com /Skype:lee.kerry6Purity: 99CAS:5173-46-6Standrad:USPAppearance: white crystalline powderPackage: 1kg/ Aluminum foil bagApplication: Research purpose Production Capacity: 500 Kilogram/MonthStorage: Kept in a cool, dry and ventilated placePlease contact: kerry(at)whzcchem.com Skype:lee.kerry6We guarantee good quality products. 100% refunded if parcel is not delivered or poor quality