Cytidine 5'-monophosphate disodium salt (CMP-Na2) is a salt form of cytidine 5'-monophosphate. It is composed of a ribose sugar, a phosphate group, the nitrogenous base cytosine, and two sodium ions. CMP-Na2 is a vital nucleotide involved in numerous biological processes, including nucleic acid synthesis, cell signaling, and cellular metabolism. This salt form enhances the stability and solubility of cytidine 5'-monophosphate, making it suitable for various applications.