Calibration Standard Mix 2 Back Catalog number: 53034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1112.20-100-TX5 6-Nitrobenzo[a]pyrene-d11, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 352431-12-0 Price on request P479952-1MG Piperacillin-d5, 1mg Price on request 0011.18-10MG 1,4-Chrysenequinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 100900-16-1 Price on request