PCB Isomer Standard “Dutch 7”, 10µg/ml in Isooctane, 1ml

n-Pentacosane, ?13C: -28.21, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-99-2

(S)-(-)-Cotinine, 1000µg/ml in MeOH, 1ml

Propachlor, 100 µg/ml, Acetonitrile, 1ml