1,2-Dimethylnaphthalene, certified, 50mg

Imidacloprid D4, 100μg/ml in Acetone, 1ml

n-Heneicosane, ?13C: -28.59, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 629-94-7

PAH Mixture E 25 Analytes, each concentration as listed intoluene; units: 1x1mL Prod.no. Compound CAS No. Conc. 0711,10 Naphthalene [91-20-3] 50 µg/mL 0002,12 Acenaphthylene [208-96-8] 200 µg/mL 0732,12 Acenaphthene [83-32-9] 200 µg/mL 0217,13 Fluo