2,2',3,3',4,5,6,6'-Octachlorobiphenyl (200) Back Catalog number: 63200 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681665 2,4,5-T-2-ethylhexyl ester, 250mg Price on request 98860 Formaldehyde-DNPH Level 3 (1.0ug/mL) Price on request 678015 Trichlorfon, 100 µg/ml, Toluene, 1ml Price on request