PCB No. 28, certified, 10mg Back Catalog number: C20002800 Availability: In the manufacturer's stock Price on request - + Recommended 3361.14-100-DC 2,4'-DDE, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 3424-82-6 Price on request 73516 2-Methylsulfonyl-4-trifluoromethyl benzoic acid Price on request 1958.12-100MG Decafluorobiphenyl, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 434-90-2 Price on request