2,3,3',4,4',5’,6-Heptachlorobiphenyl Back Catalog number: 63191 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677816 Ethoprophos, 10.0 µg/ml, Acetonitrile, 10ml Price on request 93900 Aliphatic Hydrocarbon Calibration Set Price on request 79617 2,3,6-Trimethylnaphthalene Price on request