2,2',3,3',4,5,5',6-Octachlorobiphenyl Back Catalog number: 63198 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72551 1,3,5-Trimethyl-2-nitrobenzene Price on request 2342.10-K-HX Isobutylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 538-93-2 Price on request 2903.20-10MG 17ß-Ethynylestradiol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 4717-38-8 Price on request