Medchemexpress, HY-W010970 100mg 5'-Guanylic acid (disodium salt) CAS:5550-12-9 5'-Guanylic acid disodium salt (5'-GMP disodium salt) is composed of guanine, ribose, and phosphate moieties and it is a nucleotide monomer in messenger RNA. Guanosine derivatives are involved in intracellular signal transduction and have been identified in repetitive genomic sequences in telomeres, in ribosomal DNA, immunoglobulin heavy‐chain switch regions, and in the control regions of proto-oncogenes [1] . Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.