Nandrolone propionate or Nandrolone 17-propionate Other Names: 19-NORTESTOSTERONE 17-PROPIONATE; 19-NORTESTOSTERONE PROPIONATE CAS number: 7207-92-3 Molecular formula: C21H30O3 Molecular weight: 330.46 EINECS number: 230-587-0 What is Nandrolone Propionate ? Nandrolone Propionate (brand names Anabolicus, Nor-Anabol, Nortesto, Norybol-19, Pondus) or nandrolone propanoate, also known as 19-nortestosterone 17β-propionate, is a synthetic androgen and anabolic steroid and nandrolone ester that is or has been marketed in Spain.