2,2',3,3',4,5,5',6-Octachlorobiphenyl

n-Eicosane, ?13C: -33.06, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 112-95-8

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

2-Methylquinoxaline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.