Nandrolone laurate or 19-nortestosterone 17b-laurate; 19-NORTESTOSTERONE LAURATE; CAS number: 26490-31-3 Molecular formula: C30H48O3 Molecular weight: 456.7 Nandrolone laurate (brand names Clinibolin, Fortadex, Laurabolin), or nandrolone dodecanoate, also known as 19-nortestosterone 17β-laurate, is a synthetic androgen and anabolic steroid and a nandrolone with long ester.