2-Toluidine-d7, 10mg

Caffeine for system suitability, 10mg

4-Isopropyl-1-methylbenzene (p-Isopropyltoluene), 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 99-87-6

PCB 28, 10.0 µg/ml, Isooctane, 10ml