Hexachlorobutadiene, 1000µg/ml in Toluene, 1ml Back Catalog number: 79116 Availability: In the manufacturer's stock Price on request - + Recommended 72059 Acenaphthylene-d8 Price on request 19106 EPA Method 610 PAH Mix, in MeCH:MeOH, 1ml Price on request 1736.18-2MG 4-Hydroxychrysene, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 63019-40-9 Price on request