PCB No. 50, 100µg/ml in Isooctane, 1ml Back Catalog number: 66050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79052 2,4’-DDT, 1000µg/ml in Hexane, 1ml Price on request 12069.12-250MG Sulfamethazine,neat,neat,250mg, Price on request 675702 Carbon disulfide, 100 µg/ml, Methanol, 10ml Price on request