WS Benzo(a)pyrene - Cal Check Back Catalog number: 91833 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8648.12-50-NN 1,2,4,6,7-Pentachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request (8461.12) Volaton Price on request 0789.30-100-IO Hop-17(21)-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 546-99-6 Price on request