4,4’-DDD Back Catalog number: 79290 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95842 1,2,4-Butanetriol, 1mg/ml in pyridine, 5 x 20ml Price on request HXCB Hexachlorobenzene, 1.2mL x 100ug/mL, nonane Price on request 66014 PCB No. 14, 100µg/ml in Isooctane, 1ml Price on request