USP 37 state CAS for norepinephrine bitartrate is [69815-49-2], BP 2013 state CAS for noradrenaline acid tartrate [108341-18-0] and EP 7 state CAS for noradrenaline tartrate is [108341-18-0]. Martindale 2006 state that noradrenaline acid tartrate have synonim: norepinephrine bitartrate.