Deca Information (Nandrolone Base + Decanoate Ester) [19-nor-androst-4-en-3-one-17beta-ol] Molecular Weight(base):274.4022 Molecular Weight (ester):172.2668 Formula (base): C18 H26 O2 Formula (ester):C10 H20 O2 Melting Point (base): 122-124°C Melting Point (ester):31 - 32 C Manufacturer: HK Release Date (in USA): 1962 Effective Dose (Men): 200-600mgs/week (2mg/lb of Bodyweight) Effective Dose (Women): 50-100mgs/week Active life: 15 days Detection Time: Up to 18 months Anabolic/Androgenic ratio: 125:37