4,4’-DDD Back Catalog number: 70099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51206 WA EPH Fractionation Sub Conc Price on request 673964 Chlorfluazuron, 10.0 µg/ml, Cyclohexane, 10ml Price on request 8799.12-100-IO 2,2',3,3',4',5,6-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-70-4 Price on request