Hexachlorobutadiene Back Catalog number: 32321 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66077 PCB No. 77, 100µg/ml in Isooctane, 1ml Price on request 678001 Methamidophos, 100 µg/ml, Toluene, 1ml Price on request EU-PAH-STK Native PAH Solution/Mixture, 1.2ml, toluene Price on request