uniformity white crystalline powder.only four nucleotides(ampna2, cmpna2, umpna2, gmpna2) or five nucletides(ampna2, cmpna2, umpna2, gmpna2, impna2) were found by hplc. the ratio of nucleotides could be regulated accoriding to your requirement. it can be used as food additives,improvers,milk additives,health food,nutrition improvers. we also provide single mononucleotide, such as adenosine monophosphate(amp), cytidine monophosphate(cmp), uridine monophosphate disodium(umpna2), guanosine monophosphate disodium(gmpna2).