WS Organonitrogen Pesticides Back Catalog number: 38028 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71203 2,4’-DDE Price on request 9495.9-100-IO Tri-n-propylphosphate-d21, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 43021 Bromochloromethane Price on request