Anucleoside,C10H13N5O5,consistingofguanineandribose.Uniformitywhitecrystallinepowder.HPLCandUVnotlessthan98%.Itcanbeusedaspharmaceuticalintermediates.GuanosinecanbephosphorylatedtobecomeGMP(guanosinemonophosphate),cGMP(cyclicguanosinemonophosphate),GDP(guanosinediphosphate)andGTP(guanosinetriphosphate).Whenguanineisattachedtoadeoxyribosering,itisknownasadeoxyguanosine.Youcancontactusifyouwanttoorderthisproduct.