4,4’-DDE Back Catalog number: 79149 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 674746 Bromoxynil-methyl ether, 10 µg/ml, Acetonitrile, Price on request 2331.11-K-HX (2-Methylbutyl)benzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 3968-85-2 Price on request 32691 2-Methylbutane Price on request