Benzidine

Arochlor 1254, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11097-69-1

2,2',3,3',4,5',6-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL,

3-Dehydro Retinol, 95%, 1mg