beta-Cypermethrin

Dibenzo[e,ghi]perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 190-95-4

4,4'-Dibromobiphenyl-d8,100 µg/mL,isooctane,1mL,

d-Norpropoxyphene maleate,100 µg/mL,base aceton,1mL