2,2',3,4,4',5,5',6-Octachlorobiphenyl (203) Back Catalog number: 66203 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98233 Benzene [10 ppm] Price on request 50652 200.8Low Intermediate Standard - Parent Price on request 681375 Cortisone, 500mg Price on request