2,3,3',4,4',5,5'-Heptachlorobiphenyl, 5mg Back Catalog number: C-189N Availability: In the manufacturer's stock Price on request - + Recommended 679572 N-Acetyl glyphosate, 10mg Price on request 684311 D10-N-Nitrosodiethylamine, 100µg/ml in MeOH, 5ml Price on request 15900-2684-10AN1 epsilon-HCH, 10μg/ml in Acetonitrile, 1ml Price on request