Is it permissible to use alcohol after its transformation into another substance, and what types of alcohol are considered permissible to use?

Synthetically produced alcohol is not inherently impure according to some contemporary scholars, and therefore there is no harm in using products that contain it. Even if intoxicating alcohol were considered impure, there would be no objection to using detergents or other products that contain a small, imperceptible amount, or if it transforms into another substance.