1,4-Dichlorobenzene-d4

Acetochlor OA, 100µg/ml in MeOH, 1ml

PCB 112, 1000µg/ml in Isooctane, 10ml

GC-IRMS Standards ((C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15); C40 (?13C: -27.05)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no.