Metformin-d6-HCl, 100µg/ml in Acetonitrile, 1ml

Parathion ethyl, 1000µg/ml in MeOH, 1ml

1H,1H,8H-Perfluorooctane-1-ol, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 10331-08-5

n-Pentyl iso-pentyl phthalate (n-Pentyl 3-methlybutyl phthalate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 776297-69-9