Testosterone undecanoate 
  Chemical Name: 4-Androsten-17beta-ol-3-one undecanoate 
  CAS NO.: 5949-44-0 
  Molecular Formula: C30H48O3 
  Molecular weight: 456.70 
  Assay: 97.0%~103.0% 
  Standard: CP2000 
  Chemical Properties: White Solid 
  usage: A metabolite of Testosterone (T155000). It is a promising androgen for male hormonal contraception.