Benzo(e)pyrene, 100 µg/mL in Acetonitrile, 1ml Back Catalog number: XA20645000AL Availability: In the manufacturer's stock Price on request - + Recommended M4M172 2,2',3,3',4,5,5'-Heptachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene Price on request 2128.12-K-IOX5 Arochlor 1254, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11097-69-1 Price on request 91354 Volatile Mix, 200µg/ml in MeOH, 1ml Price on request