stenbolone stenbolone stenbolone is an anabolic–androgenic steroid (aas) of the dihydrotestosterone (dht) group which was never marketed. a c17β ester prodrug of stenbolone, stenbolone acetate, is used as an aas for depot intramuscular injection under the brand names anatrofin and stenobolone. stenboloneclinical dataother names2-methyl-5α-androst-1-en-17β-ol-3-one; 2-methyl-δ1-4,5α-dihydrotestosterone; 2-methyl-δ1-dht; deacetylanatrofinroutes ofadministrationintramuscular injection (as stenbolone acetate)drug classandrogen; anabolic steroididentifiers iupac name (5s,8r,9s,10s,13s,14s,17s)-17-hydroxy-2,10,13-trimethyl-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopentaphenanthren-3-one cas number5197-58-0 ypubchem cid234454chemspider204491unii3q6fka848schebichebi:34980comptox dashboard (epa)dtxsid70199935 chemical and physical dataformulac20h30o2molar mass302.458 g·mol−13d model (jsmol)interactive image smiles cc1=c2((cc32cc4(3cc4o)c)cc1=o)c inchi inchi=1s/c20h30o2/c1-12-11-20(3)13(10-17(12)21)4-5-14-15-6-7-18(22)19(15,2)9-8-16(14)20/h11,13-16,18,22h,4-10h2,1-3h3/t13-,14-,15-,16-,18-,19-,20-/m0/s1key:gybgislvorklbn-ynzdmmaesa-n (verify) chemistry