4,4’-DDE Back Catalog number: 98848 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2135.21-K-IO Tri-o-tolylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78-30-8 Price on request 680359 Nitrobenzene, 250mg Price on request 10412.4-100-ME Sodium DL-3-hydroxybutyrate-3,4,4,4-d4 Price on request