2,3,3',4,4',5,5'-Heptachlorobiphenyl (189) Back Catalog number: 66189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95160 a,a-Dimethylphenethylamine Price on request 680469 3-Ethyltoluene, 200 µg/ml, Methanol, 1ml Price on request 81202 EPA Method 8121 Analytes Price on request