4,4’-DDD Back Catalog number: 70099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-A10-CSH Extended Calibration/High Level Solution, 200ul, nonane Price on request 63098 2,2',3',4,6-Pentachlorobiphenyl (98) Price on request 0461.15-K-IO 9-Methylanthracene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 779-02-2 Price on request