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 72742 17-alpha-Ethynylestradiol Price on request 60001 Hazardous Substance List Price on request 71765 Methyl formate Price on request