Thiocyanogen ,its CAS NO. is 505-14-6,the synonyms is Dicyano disulfide ; Dirhodan ; NCSSCN ; Disulfanedicarbonitrile ; Azanylidyne-cyanodisulfanylmethane ; CHEBI:30063 ; bis[(Cyanido--C)sulfur](S--S) ; CID68160 .