Proviron Mesterolone Oral Anabolic Steroids Powder For Sale Raw Steroid Powder Basic Info: CAS No: 1424-00-6 Molecular Formula.: C20H32O2 Molecular Weight: 304.47 Appearance: White or Almost white crystalline powder Melting Point: 203-204 °C What is Mesterolone Proviron Mesterolone is a synthetic, orally active anabolic-androgenic steroid (AAS) and derivative of dihydrotestosterone (DHT). it was used with some success in controlled studies of …