Custom PAH Mix, 6 anal., in MeOH, 4,5ml Certan Back Catalog number: DREQ60000255 Availability: In the manufacturer's stock Price on request - + Recommended 8865.9-K-IO 2-Methylquinoxaline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 673596 Fenvalerate, 100 µg/ml, Ethyl acetate, 5ml Price on request 0242.24-200-T Dibenzo[a,h]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 189-64-0 Price on request