O,O-Dimethyldithiophosphate, ammonium salt

Metoprolol tartrate, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 56392-17-7

Agilent Blood Alcohol Checkout Mix

4-Fluoro-2-methylphenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 452-72-2