2,3,3',4',5,6-Hexachlorobiphenyl Back Catalog number: 66163 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54165 Total Cyanide (CN-) Price on request 680872 4-Chloroacetanilide, 500mg Price on request 676457 Salicylaldehyde, 1ml Price on request