Diethylaminopropyne formate , its cas register number is 125678-52-6. It also can be called 2-Propyn-1-amine,N,N-diethyl-, radical ion(1+) (9CI) ; PABS ; 3-N,N-Diethylamino-1-propyne formate ; Diethylamino-2-propyne, sulfate .