ChemCalc
You entered: C17H21NO4 . HBr . 3H2O
The formula is: C17H21NO4.HBr.3.0H2O
The compound seems to be a salt or a hydrate.
Total mass: 438.31582
Mass of C17H21NO4: 303.35804
Mass of HBr: 80.91194
Mass of H2O: 18.01528
Isotopic distribution