testosterone phenylpropionate testosterone phenylpropionate testosterone phenylpropionate (ban; tpp) (brand name testolent), or testosterone phenpropionate, also known as testosterone hydrocinnamate, is a synthetic anabolic-androgenic steroid (aas) and an androgen ester – specifically, the c17β phenylpropionate ester of testosterone – which was formerly marketed in romania. it was first synthesized in 1951 and was first described in the literature by 1953. the medication was an ingredient of several isolated aas commercial products, but was never widely used. testosterone phenylpropionate was also notably a component of sustanon and omnadren, as well as of estandron prolongatum, lynandron prolongatum, and mixogen. tpp was previously available in great britain. parenteral durations of androgens/anabolic steroids medicationformmajor brand namesduration testosteroneaqueous suspensionandronaq, sterotate, virosterone2–3 days testosterone propionateoil solutionandroteston, perandren, testoviron3–4 days testosterone phenylpropionateoil solutiontestolent8 days testosterone isobutyrateaqueous suspensionagovirin depot, perandren m14 days mixed testosterone estersaoil solutiontriolandren10–20 days mixed testosterone estersboil solutiontestosid depot14–20 days testosterone enanthateoil solutiondelatestryl14–28 days testosterone cypionateoil solutiondepovirin14–28 days mixed testosterone esterscoil solutionsustanon 25028 days testosterone undecanoateoil solutionaveed, nebido100 days testosterone buciclatedaqueous suspension20 aet-1, cdb-1781e90–120 days nandrolone phenylpropionateoil solutiondurabolin10 days nandrolone decanoateoil solutiondeca durabolin21–28 days methandriolaqueous suspensionnotandron, protandren8 days methandriol bisenanthoyl acetateoil solutionnotandron depot16 days metenolone acetateoil solutionprimobolan3 days metenolone enanthateoil solutionprimobolan depot14 days note: all are via i.m. injection. footnotes: a = tp, tv, and tue. b = tp and tkl. c = tp, tpp, tica, and td. d = studied but never marketed. e = developmental code names. sources: see template. not to be confused with testosterone phenylacetate. testosterone phenylpropionateclinical datatrade namestestolent, sustanon 100, sustanon 250, omnadren 250other namestpp; testosterone phenpropionate; testosterone hydrocinnamateroutes ofadministrationintramuscular injectionidentifiers iupac name phenanthren-17-yl] 3-phenylpropanoate cas number1255-49-8pubchem cid14743drugbankdb16003chemspider14062unii8gn84gwx51keggd08574chemblchembl2356993comptox dashboard (epa)dtxsid5048712 echa infocard100.013.650 chemical and physical dataformulac28h36o3molar mass420.593 g·mol−13d model (jsmol)interactive image smiles c12cc3(1cc2oc(=o)ccc4=cc=cc=c4)ccc5=cc(=o)cc35c inchi inchi=1s/c28h36o3/c1-27-16-14-21(29)18-20(27)9-10-22-23-11-12-25(28(23,2)17-15-24(22)27)31-26(30)13-8-19-6-4-3-5-7-19/h3-7,18,22-25h,8-17h2,1-2h3/t22-,23-,24-,25-,27-,28-/m0/s1key:hhsxydoroiurip-fezcwrlcsa-n