Permethrin, 10.0 µg/ml, Acetonitrile, 10ml

2,2',4,5,5'-Pentachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 37680-73-2

Perdeuterated Internal Standard PAH-Mixture 4 5 analytes, each1000 µg/mL in benzene-d6; units: 1x1mL, 1x5mL 1337.16 Fluoranthene-d10 [93951-69-0] 1348.20 Benzo[b]fluoranthene-d12 [93951-98-5] 1349.20 Benzo[k]fluoranthene

Dexamethasone-4,6alpha,21,21-d4,neat,neat,1mg