6PPD-quinone, 100µg/ml in Acetonitrile, 1ml Back Catalog number: 688152 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1531.22-100-T Indeno[1,2,3-cd]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 203578-33-0 Price on request DF-1279-S 1,2,7,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 2936.19-100-IO Diflufenican-d3 (3-trifluoromethylphenoxy-2,4,6-d3), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1185009-29-3 Price on request