Color Back Catalog number: 50818 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 63098 2,2',3',4,6-Pentachlorobiphenyl (98) Price on request 79081 EPA Method 8330 Analyte Price on request MPN-59 1,2,4,5,8-Pentachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request