4,4’-DDD Back Catalog number: 79290 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50711 Mercury (Hg II) Price on request 92457 HPLC Fermentation Standard Price on request 0423.20-150-CYX5 n-Eicosane, ?13C: -33.06, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 112-95-8 Price on request