Product name : Dibenzyl diisopropylphosphoramidite/ 108549-23-1 CAS NO:108549-23-1 MF : C20H28NO2P Purity :97%min Appearance : Colorless transparent liquid We can supply with competive price and good quality ,and it is our main and important product ,which has been exported to many counties ,and got a high reputation all over the world .