Assay of Test. Enanthate powder by UV-Vis spec (for info)

[Mus4]

Weight 0.1g -> make 100ml using Ethanol
use 10ml of this solution to -> 100ml using Ethanol
again use 10ml of the second solution to -> 100ml using Ethanol

mesaure abs.(A) at near 241nm max vaule

C26H40O3(400.60) (mg) = A /426 x 100000

 

[Mus4]

now..If I can find the assay method for Test. Cyp. using UV-VIS, I could use any ester form for the rat research, knowing the exact dosage...
Any help?