PCB Congeners Back Catalog number: 94604 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682920 Quinclorac, 100 µg/ml, Acetonitrile, 5ml Price on request 71630 2,4,5-T n-butyl ester Price on request 678341 Dibromochloroacetic acid, 1000 µg/ml, tert-Butyl Price on request