Aqueous ethanol control EtOH AQ (1.0g/L), 10 x 3.0ml

Metoprolol (free base), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 51384-51-1

3-Nitrobenzofuran,100 µg/mL,toluene,1mL,

Diisoundecyl phthalate,100 µg/mL,acetonitrile,1mL,