Parathion-ethyl, 100 µg/ml, Toluene, 1ml Back Catalog number: 677981 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 70152 Dieldrin Price on request 2293.9-1G Trimellitic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 528-44-9 Price on request DF-123678-S 1,2,3,6,7,8-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request