DECA Durabolin Powder | Nandrolone Decanoate Raw Steroid Powder Nandrolone Decanoate Powder Basic Info : CAS No.: 360-70-3 Molecular formula: C28H44O3 Molecular weight: 428.65 Assays: 98.80% Appearance: White Or White-off Crystalline Powder.   What is Nandrolone Decanoate (Deca Durabolin )? Deca Durabolin is an extremely popular anabolic steroid comprised of the steroidal hormone Nandrolone and is attached to the large Decanoate ester. The …