Synonyms:17beta-Hydroxyandrost-4-en-3-one CAS: 58-22-0 EINECS: 200-370-5 Assay: 98% min. Molecular formula: C19H28O2 Packing: foil bag or tin. Delivery: Express courier. The min. order is 10 grams. Appearance: white or off-white crystalline powder Usage: Pharmaceutical material, Steroid hormone, Anabolin. For disease-free testosterone replacement therapy, male menopause, impotence and other diseases treatment. standard:enterprise standard Competitive Advantage: Our company is a professional manufacturer leading factory in China in pharmaceutical area for many years, our products have exported to USA,Greece, Spain, UK, Germany, Australia and other countries, and we have got very good feedback from our customers, we had established a long term friendly relations with our customers all over the world, and in some area like Europe and North America, we have our own agent/remailer/distributor who can help us ship our products very fast and safe, and we have stock in there for transferring. High quality, best price, first-class service, high successful delivery rate, we have stock, so we can delivery quickly at the very day when payment is arrived