PCB Congeners & Hexachlorobenzene Mix #1 Back Catalog number: 95450 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BB-3 4-Bromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 70260 Pyridine Price on request 8238.12-100MG 4,4'-Difluorobiphenyl, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 398-23-2 Price on request