androstanolone valerate androstanolone valerate androstanolone valerate (brand name apeton), also known as stanolone valerate or dihydrotestosterone pentanoate, as well as 5α-androstan-17β-3-one 17β-valerate, is a synthetic androgen and anabolic steroid and a dihydrotestosterone ester. it is used as an injectable and acts as a prodrug of androstanolone (stanolone, dihydrotestosterone, dht). androstanolone valerateclinical datatrade namesapetonother namesstanolone valerate; dihydrotestosterone valerate; dht valerate; dihydrotestosterone pentanoate; dht pentanoate; 5α-androstan-17β-3-one 17β-valerateroutes ofadministrationintramuscular injectiondrug classandrogen; anabolic steroid; androgen esteridentifiers iupac name [(5s,8r,9s,10s,13s,14s,17s)-10 ,13-dimethyl-3-oxo-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopentaphenanthren-17-yl] pentanoate cas number26271-72-7 ychemspider21476746uniib43u3p3x26chemical and physical dataformulac24h38o3molar mass374.565 g·mol−13d model (jsmol)interactive image smiles ccccc(=o)o1cc21(cc32cc43(ccc(=o)c4)c)c inchi inchi=1s/c24h38o3/c1-4-5-6-22(26)27-21-10-9-19-18-8-7-16-15-17(25)11-13-23(16,2)20(18)12-14-24(19,21)3/h16,18-21h,4-15h2,1-3h3/t16-,18-,19-,20-,21-,23-,24-/m0/s1key:agxplmckhgtynp-kxbdthcrsa-n