Hexachlorobutadiene Back Catalog number: X9114 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675850 Pyridaphenthion, 100 µg/ml, Ethyl acetate, 5ml Price on request DF-IS-H40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 680123 Nicotinic acid, 250mg Price on request