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 679255 Methyl atratate, 100mg Price on request 3877.4-1G Furan, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 110-00-9 Price on request 0063.18-10MG Cyclopenta[cd]pyren-3(4H)-one, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 69795-70-6 Price on request