Half-lifes are an estimation. There are numerous factors that go in to determining exactly when the life will be halved.
Such as: BF%, where you put the depot, the concentration of the compound, what knd of solvents were used and how much...............and on and on
some guys will cleave the ester much faster than others just because. the leaner you are, the longer it is.
Esters are fat soluble.
