A 1009 (OTTO) trans-4-Aminocyclohexanol, ≥99% Cas 27489-62-9 - used as raw material in organic synthesis and is an important intermediate in the synthesis of drugs such as Ambroxol hydrochloride. It can react with butyric acid-(2-chloro-ethyl ester) to get butyric acid 4-amino-cyclohexyl ester.