nandrolone acetate nandrolone acetate nandrolone acetate, also known as 19-nortestosterone 17β-acetate or as estr-4-en-17β-ol-3-one 17β-acetate, is a synthetic, injected anabolic–androgenic steroid (aas) and a derivative of 19-nortestosterone (nandrolone) that was never marketed. it is an androgen ester – specifically, the c17β acetate ester of nandrolone. relative affinities (%) of nandrolone and related steroids compoundprarergrmrshbgcbg nandrolone20154–155<0.10.51.61–160.1 testosterone1.0–1.2100<0.10.170.919–823–8 estradiol2.67.91000.60.138.7–12<0.1 notes: values are percentages (%). reference ligands (100%) were progesterone for the pr, testosterone for the ar, estradiol for the er, dexamethasone for the gr, aldosterone for the mr, dihydrotestosterone for shbg, and cortisol for cbg. sources: see template. nandrolone acetateclinical dataother names19-nortestosterone 17β-acetate; 17β-acetoxy-19-nortestosterone; estr-4-en-17β-ol-3-one 17β-acetateroutes ofadministrationintramuscular injectiondrug classandrogen; anabolic steroid; androgen ester; progestogenidentifiers iupac name phenanthren-17-yl] acetate cas number1425-10-1 ypubchem cid102122chemspider92258unii8z4nn9xf7dcomptox dashboard (epa)dtxsid90931490 chemical and physical dataformulac20h28o3molar mass316.441 g·mol−13d model (jsmol)interactive image smiles cc(=o)o1cc21(cc32ccc4=cc(=o)cc34)c inchi inchi=1s/c20h28o3/c1-12(21)23-19-8-7-18-17-5-3-13-11-14(22)4-6-15(13)16(17)9-10-20(18,19)2/h11,15-19h,3-10h2,1-2h3/t15-,16+,17+,18-,19-,20-/m0/s1key:ttwyupsvwloirf-xgxhktljsa-n