Naproxen, 100 µg/ml, Methanol, 1ml

n-Heptacosane, ?13C: -25.48, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 593-49-7

2,2'-Dibromobiphenyl, 1.2ml x 50ug/ml, nonane

PBB-No. 1, certified, 50mg