Originally Posted by
The God Himself
Yes sulfate can be an ester. What you are referring to is an "inorganic ester" made of inorganic acid plus alcohol. As far as I remember, oxygen and sulphur, both being chalcogens, can take -2 oxidation state. So, in our organic compound (mr. nandrolone) has oxygen in it. There goes sulphur replace the oxygen in the carbon-oxygen-central covalent bonds. So you have a sulphate here. (not sure about what happens to nandrolone when bonding with sulfate ester but this is what I remember from organic chemistry and sulfate esters lol)