dihydrotestosterone butyrate dihydrotestosterone butyrate dihydrotestosterone butyrate, also known as androstanolone butyrate or stanolone butyrate, as well as 5α-dihydrotestosterone 17β-butanoate, is a synthetic androgen and anabolic steroid and a dihydrotestosterone ester that was never marketed. dihydrotestosterone butyrateclinical dataother namesandrostanolone butyrate; stanolone butyrate; 5α-dihydrotestosterone 17β-butanoate; 17β-(1-oxobutoxy)-5α-androstan-3-oneroutes ofadministrationintramuscular injectionidentifiers iupac name phenanthren-17-yl] butanoate cas number18069-66-4 ypubchem cid20837712chemspider4933663unii9v6nk54583chemical and physical dataformulac23h36o3molar mass360.538 g·mol−13d model (jsmol)interactive image smiles cccc(=o)o1cc21(cc32cc43(ccc(=o)c4)c)c inchi inchi=1s/c23h36o3/c1-4-5-21(25)26-20-9-8-18-17-7-6-15-14-16(24)10-12-22(15,2)19(17)11-13-23(18,20)3/h15,17-20h,4-14h2,1-3h3/t15-,17-,18-,19-,20-,22-,23-/m0/s1key:rrzyexjgoqldmj-vjymjrgrsa-n