2,2',3,3',4,6,6'-Heptachlorobiphenyl Back Catalog number: 66176 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679814 Sulfamethazine, 100 µg/ml, Methanol, 1ml Price on request 672942 Pendimethalin, 100mg Price on request 680366 Benzyl butyl phthalate, 100 µg/ml, Cyclohexane, Price on request