4,4'-DDT, 100 µg/ml, Methanol, 1ml Back Catalog number: 679461 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 683317 1,3-Diphenylguanidine, 1000mg Price on request WP-CS4 Dioxin-Like PCBs Individual Calibration Sol. CS4., in Nonane, 500µl Price on request 1014.4-1G Methylpropyldisulfide, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 2179-60-4 Price on request