Aroclor 1221 Back Catalog number: 90124R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3344.9-100-HX Chlorpyrifos, 100µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 2921-88-2 Price on request 9943.20-50-IO C20 Triaromatic ster-14(15)-ene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 2928.7-100-IO 3,5-Dibromo-4-hydroxybenzonitrile-2,6-d2, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request