2-Pentanone, 1ml Back Catalog number: 679021 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2268.12-100-IO 2,2',3,3',4,4',5,5'-Octachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 35694-08-7 Price on request 8645.12-50-T 1,3,8,9-Tetrachlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 683713 Pretilachlor, 100 µg/ml, Acetonitrile, 5ml Price on request