4,4’-DDE Back Catalog number: 79149 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1048.25-K-IO n-Nonadecylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 22349-03-7 Price on request 3115.10-50-IO 2-Bromonaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 580-13-2 Price on request 9700.12-10MG Methyl 2-Hydroxy-3-carboxynaphthyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request