Roxithromycin, 100 µg/ml, Methanol, 1ml

2,5-Dimethylphenol, 100 µg/ml, Acetonitrile, 5ml

D5-PCB 116, 100 µg/ml, Isooctane, 1ml

n-Hexatriacontane-d74, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 16416-34-5