PCB Congeners Mix #1 Back Catalog number: 95484 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676670 N,N-Dimethylnicotinamide-2-sulfonamide, 10mg Price on request 683844 Iprobenfos, 100 µg/ml, Acetonitrile, 5ml Price on request 677931 Tri-p-cresyl phosphate, 100mg Price on request