4,4’-DDE Back Catalog number: 79149 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended L20012300IO PCB No. 123, 10µg/ml in Isooctane, 10ml Price on request D480317 3,5-Dinitrosalicylhydrazide-15N2, 1mg Price on request 680847 2-Carboxy-4-chlorophenoxyacetic acid, 10mg Price on request