4,4'-DDE, 100 µg/ml, Toluene, 5ml Back Catalog number: 675841 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 682387 Ipronidazole, 100 µg/ml, Methanol, 5ml Price on request 50232 Mix #2 Price on request 679292 PCB 118, 100 µg/ml, Isooctane, 1ml Price on request