PCB No. 81, 10µg/ml in Isooctane, 10ml Back Catalog number: L20008100IO Availability: In the manufacturer's stock Price on request - + Recommended 2037.8-50-ME Perfluorooctane sulfonic acid , 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1763-23-1 Price on request 682235 2,2',4,4'-Tetrahydroxybenzophenone, 500mg Price on request CBP-236 2,3,6-Trichlorobiphenylene, 1.2ml x 50ug/ml, nonane Price on request