ChemCalc
You entered: C9H11N2Na2O9P . xH2O
The formula is: C9H11N2Na2O9P.nH2O
The compound seems to be a salt or a hydrate.
The mass of C9H11N2Na2O9P.nH2O is not defined
Mass of C9H11N2Na2O9P: 368.14764
Mass of H2O: 18.01528
Isotopic distribution