QC-21 - ICP Optical Back Catalog number: 50282 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1698.19-K-T 1-n-Propylpyrene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 42211-33-6 Price on request 10095.6-K-AN N-Nitrosodiisopropylamine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 601-77-4 Price on request 92784 4-Bromofluorobenzene Price on request