4,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673530 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended MDD-124679 1,2,4,6,7,9-Hexachloro(13C12)dibenzo-p-dioxin, 1.2mL x 50ug/mL, toluene Price on request 673994 Nitrofen, 100mg Price on request 677358 Acenaphthylene, 10.0 µg/ml, Cyclohexane, 10ml Price on request