methyl-1-testosterone methyl-1-testosterone methyl-1-testosterone (m1t; developmental code name sc-11195), also known as 17α-methyl-4,5α-dihydro-δ1-testosterone (17α-methyl-δ1-dht) or 17α-methyl-5α-androst-1-en-17β-ol-3-one, as well as methyldihydroboldenone, is a synthetic and orally active anabolic–androgenic steroid (aas) which was never marketed for medical use. it is the 17α-methyl derivative of 1-testosterone (δ1-dht; dihydroboldenone). methyl-1-testosteroneclinical dataother namesm1t; sc-11195; methyldihydroboldenone; 17α-methyl-1-testosterone; 17α-methyl-4,5α-dihydro-δ1-testosterone; 17α-methyl-δ1-dht; 17α-methyl-5α-androst-1-en-17β-ol-3-oneroutes ofadministrationby mouthidentifiers iupac name (5s,8r,9s,10r,13s,14s,17s)-17-hydroxy-10,13,17-trimethyl-5,6,7,8,9,11,12,14,15,16-decahydro-4h-cyclopentaphenanthren-3-one cas number65-04-3 ypubchem cid7092657chemspider5442174unii21o907n0nhcomptox dashboard (epa)dtxsid20879831 echa infocard100.219.594 chemical and physical dataformulac20h30o2molar mass302.458 g·mol−13d model (jsmol)interactive image smiles o=c4\c=c/1((cc21cc3(2cc3(o)c)c)c4)c inchi inchi=1s/c20h30o2/c1-18-9-6-14(21)12-13(18)4-5-15-16(18)7-10-19(2)17(15)8-11-20(19,3)22/h6,9,13,15-17,22h,4-5,7-8,10-12h2,1-3h3/t13-,15+,16-,17-,18-,19-,20-/m0/s1key:jrnsssjkigafct-ydsawkjfsa-n methyl-1-testosterone is on the world anti-doping agency's list of prohibited substances, and is therefore banned from use in most major sports.