Hexachlorobutadiene Back Catalog number: 32321 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-H200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 674477 Kaempferitrin, 10mg Price on request 38009 WS Chorinated DBP’s - EPA Method 551 Price on request