PCB No. 21, 100µg/ml in Isooctane, 1ml

1,4-Dichlorobutane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 110-56-5

4,4'-Dichlorobenzophenone, 100 µg/ml, Ethyl aceta

Ethanol 3000