Entering edit mode
Looking for a function that returns the exactmass
(monoisotopic mass) given a chemical formula in the following format:
c("C25H40N7O19P3S", "C25H40N7O19P3S", "C25H40N7O19P3S", "C25H40N7O19P3S" ,
"C9H12O4" , "C9H12O4", "C9H12O4", "C11H10N2O2", "C8H16NO9P" , "C8H16NO9P" , "C8H16NO9P" , "C8H16NO9P")