Hexadecane-d34 (n-Hexadecane-d34) is the deuterium labeled Hexadecane (HY-W099580). Hexadecane (n-Hexadecane) is a saturated hydrocarbon of alkanes or paraffins and can be used as an organic solvent. Hexadecane is a component of petroleum, belongs to hydrophobic substrates, and is a model substance for studying bacterial degradation of hydrophobic compounds[1].