2,4’-DDD Back Catalog number: 70459 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676340 Tecnazene, 10.0 µg/ml, Cyclohexane, 10ml Price on request 9391.10-50UG 8:2Mono-PAPS, neat, Solvent-neat, Unit ca. 50 µg, # of units-1, Cas.no. 57678-03-2 Price on request 52071 Spiking Standard 5 Price on request