PCB Congeners Back Catalog number: 94990 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2420.6-K-IP 2-Chlorophenol-3,4,5,6-d4,1000 µg/mL,isopropanol,1mL, Price on request 95243 Hexachlorophene Price on request 676734 D10-Chlorpyrifos, 20mg Price on request