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 M225857 Metazachlor-d6, 1mg Price on request S-4453-4K-AC ISO 9377-2MOD Quality Control Standard of Base Oil EDC 95/11 4000µg/mL in acetone, 1x1mL, 5x1mL, 10x1mL Price on request 9948.4-100-AN N-Nitrosodiethanolamine-d8, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1173019-53-8 Price on request