2,3,3',4,4',5,5'-Heptachlorobiphenyl, 5mg Back Catalog number: C-189N Availability: In the manufacturer's stock Price on request - + Recommended S-4214-40-PEX5 ISO 9377-2 Stearyl Stearate Solution for Comparison Unit: 1mL for direct GC-comparison Stearyl stearate test solution, 2mg/mL (S-4134) 0.5mL Extraction agent (pentane) 24.5mL Price on request 680434 Zolpidem tartrate, 100 µg/ml, Methanol, 1ml Price on request 79782 Fipronil, 1000µg/ml in Acetonitrile, 1ml Price on request