Omethoate, 100 µg/ml, Acetonitrile, 5ml

Hexyl 2-ethylhexyl phthalate (isomer mixture), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 75673-16-4 (CAS of single isomer)

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-1, Cas.no.

9-Nitroanthracene-d9, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 220381-38-4