4,4’-DDE Back Catalog number: 79688 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended P48-W-CS4 CS4 Calibration Sol Dioxin/PCB, in Nonane, 500µl Price on request 9246.12-50-IO 2,4-Dibromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 171977-44-9 Price on request 2379.8-K-IP 2,4-Dichloro-3,5-dimethylphenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 133-53-9 Price on request