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

n-Undecylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 54105-66-7

Imidacloprid D4, 100μg/ml in Acetone, 1ml

1-/3-Nitrobenzo[a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 70021-99-7/70021-98-6