Methylparaben, 100 µg/ml, Acetonitrile, 5ml

4-tert-Octylphenol-13C6

13C3-Cephacetrile, 10mg

4-Chloromethyl-2,2-dimethyl-1,3-dioxolane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 4362-40-7